Home / 753,572.34-1,039,948.97-409,404.83

Finding the Fourth Proportional to 753,572.34, 1,039,948.97 and 409,404.83

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Solution

The fourth proportional to 753,572.34, 1,039,948.97 and 409,404.83 is: 564,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,572.34 : 1,039,948.97 = 409,404.83 : x
  2. Step 2: Convert to fraction form
    753,572.34/1,039,948.97 = 409,404.83/x
  3. Step 3: Cross multiply
    753,572.34x = 1,039,948.97 × 409,404.83
  4. Step 4: Simplify right side
    753,572.34x = 425,760,124,024.76
  5. Step 5: Solve for x
    x = 425,760,124,024.76/753,572.34
  6. Step 6: Final answer
    x = 564,989.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.