Home / 497,724.40-746,586.60-439,663.60

Finding the Fourth Proportional to 497,724.40, 746,586.60 and 439,663.60

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Solution

The fourth proportional to 497,724.40, 746,586.60 and 439,663.60 is: 659,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,724.40 : 746,586.60 = 439,663.60 : x
  2. Step 2: Convert to fraction form
    497,724.40/746,586.60 = 439,663.60/x
  3. Step 3: Cross multiply
    497,724.40x = 746,586.60 × 439,663.60
  4. Step 4: Simplify right side
    497,724.40x = 328,246,952,267.76
  5. Step 5: Solve for x
    x = 328,246,952,267.76/497,724.40
  6. Step 6: Final answer
    x = 659,495.40

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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.