Home / 1,185,687.10-1,778,761.05-344,266.30

Finding the Fourth Proportional to 1,185,687.10, 1,778,761.05 and 344,266.30

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Solution

The fourth proportional to 1,185,687.10, 1,778,761.05 and 344,266.30 is: 516,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,687.10 : 1,778,761.05 = 344,266.30 : x
  2. Step 2: Convert to fraction form
    1,185,687.10/1,778,761.05 = 344,266.30/x
  3. Step 3: Cross multiply
    1,185,687.10x = 1,778,761.05 × 344,266.30
  4. Step 4: Simplify right side
    1,185,687.10x = 612,367,485,267.62
  5. Step 5: Solve for x
    x = 612,367,485,267.62/1,185,687.10
  6. Step 6: Final answer
    x = 516,466.35

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Double scale
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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.