Home / 611,723.60-917,585.40-359,125.10

Finding the Fourth Proportional to 611,723.60, 917,585.40 and 359,125.10

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Solution

The fourth proportional to 611,723.60, 917,585.40 and 359,125.10 is: 538,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,723.60 : 917,585.40 = 359,125.10 : x
  2. Step 2: Convert to fraction form
    611,723.60/917,585.40 = 359,125.10/x
  3. Step 3: Cross multiply
    611,723.60x = 917,585.40 × 359,125.10
  4. Step 4: Simplify right side
    611,723.60x = 329,527,948,533.54
  5. Step 5: Solve for x
    x = 329,527,948,533.54/611,723.60
  6. Step 6: Final answer
    x = 538,687.65

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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.