Home / 623,286.40-934,929.60-516,998.20

Finding the Fourth Proportional to 623,286.40, 934,929.60 and 516,998.20

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Solution

The fourth proportional to 623,286.40, 934,929.60 and 516,998.20 is: 775,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,286.40 : 934,929.60 = 516,998.20 : x
  2. Step 2: Convert to fraction form
    623,286.40/934,929.60 = 516,998.20/x
  3. Step 3: Cross multiply
    623,286.40x = 934,929.60 × 516,998.20
  4. Step 4: Simplify right side
    623,286.40x = 483,356,920,326.72
  5. Step 5: Solve for x
    x = 483,356,920,326.72/623,286.40
  6. Step 6: Final answer
    x = 775,497.30

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Double scale
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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.