Home / 649,246.20-973,869.30-383,134.20

Finding the Fourth Proportional to 649,246.20, 973,869.30 and 383,134.20

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Solution

The fourth proportional to 649,246.20, 973,869.30 and 383,134.20 is: 574,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,246.20 : 973,869.30 = 383,134.20 : x
  2. Step 2: Convert to fraction form
    649,246.20/973,869.30 = 383,134.20/x
  3. Step 3: Cross multiply
    649,246.20x = 973,869.30 × 383,134.20
  4. Step 4: Simplify right side
    649,246.20x = 373,122,635,160.06
  5. Step 5: Solve for x
    x = 373,122,635,160.06/649,246.20
  6. Step 6: Final answer
    x = 574,701.30

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Half scale
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Double scale
Find fourth proportional to 649,247.20, 973,870.80 and 383,135.20
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.