Home / 1,236,700.30-1,855,050.45-383,770.30

Finding the Fourth Proportional to 1,236,700.30, 1,855,050.45 and 383,770.30

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Solution

The fourth proportional to 1,236,700.30, 1,855,050.45 and 383,770.30 is: 575,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,700.30 : 1,855,050.45 = 383,770.30 : x
  2. Step 2: Convert to fraction form
    1,236,700.30/1,855,050.45 = 383,770.30/x
  3. Step 3: Cross multiply
    1,236,700.30x = 1,855,050.45 × 383,770.30
  4. Step 4: Simplify right side
    1,236,700.30x = 711,913,267,711.64
  5. Step 5: Solve for x
    x = 711,913,267,711.64/1,236,700.30
  6. Step 6: Final answer
    x = 575,655.45

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Half scale
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Double scale
Find fourth proportional to 1,236,701.30, 1,855,051.95 and 383,771.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.