Home / 534,749.20-802,123.80-476,688.40

Finding the Fourth Proportional to 534,749.20, 802,123.80 and 476,688.40

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Solution

The fourth proportional to 534,749.20, 802,123.80 and 476,688.40 is: 715,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,749.20 : 802,123.80 = 476,688.40 : x
  2. Step 2: Convert to fraction form
    534,749.20/802,123.80 = 476,688.40/x
  3. Step 3: Cross multiply
    534,749.20x = 802,123.80 × 476,688.40
  4. Step 4: Simplify right side
    534,749.20x = 382,363,110,823.92
  5. Step 5: Solve for x
    x = 382,363,110,823.92/534,749.20
  6. Step 6: Final answer
    x = 715,032.60

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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.