Home / 753,132.16-1,039,340.46-413,607.70

Finding the Fourth Proportional to 753,132.16, 1,039,340.46 and 413,607.70

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Solution

The fourth proportional to 753,132.16, 1,039,340.46 and 413,607.70 is: 570,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,132.16 : 1,039,340.46 = 413,607.70 : x
  2. Step 2: Convert to fraction form
    753,132.16/1,039,340.46 = 413,607.70/x
  3. Step 3: Cross multiply
    753,132.16x = 1,039,340.46 × 413,607.70
  4. Step 4: Simplify right side
    753,132.16x = 429,879,217,177.54
  5. Step 5: Solve for x
    x = 429,879,217,177.54/753,132.16
  6. Step 6: Final answer
    x = 570,788.55

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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.