Home / 932,675.40-1,399,358.70-372,112.20

Finding the Fourth Proportional to 932,675.40, 1,399,358.70 and 372,112.20

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Solution

The fourth proportional to 932,675.40, 1,399,358.70 and 372,112.20 is: 558,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,675.40 : 1,399,358.70 = 372,112.20 : x
  2. Step 2: Convert to fraction form
    932,675.40/1,399,358.70 = 372,112.20/x
  3. Step 3: Cross multiply
    932,675.40x = 1,399,358.70 × 372,112.20
  4. Step 4: Simplify right side
    932,675.40x = 520,718,444,446.14
  5. Step 5: Solve for x
    x = 520,718,444,446.14/932,675.40
  6. Step 6: Final answer
    x = 558,306.19

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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.