Home / 579,416.52-868,966.68-242,402.56

Finding the Fourth Proportional to 579,416.52, 868,966.68 and 242,402.56

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Solution

The fourth proportional to 579,416.52, 868,966.68 and 242,402.56 is: 363,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,416.52 : 868,966.68 = 242,402.56 : x
  2. Step 2: Convert to fraction form
    579,416.52/868,966.68 = 242,402.56/x
  3. Step 3: Cross multiply
    579,416.52x = 868,966.68 × 242,402.56
  4. Step 4: Simplify right side
    579,416.52x = 210,639,746,523.29
  5. Step 5: Solve for x
    x = 210,639,746,523.29/579,416.52
  6. Step 6: Final answer
    x = 363,537.69

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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.