Home / 932,190.40-1,398,631.20-371,627.20

Finding the Fourth Proportional to 932,190.40, 1,398,631.20 and 371,627.20

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Solution

The fourth proportional to 932,190.40, 1,398,631.20 and 371,627.20 is: 557,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,190.40 : 1,398,631.20 = 371,627.20 : x
  2. Step 2: Convert to fraction form
    932,190.40/1,398,631.20 = 371,627.20/x
  3. Step 3: Cross multiply
    932,190.40x = 1,398,631.20 × 371,627.20
  4. Step 4: Simplify right side
    932,190.40x = 519,769,396,688.64
  5. Step 5: Solve for x
    x = 519,769,396,688.64/932,190.40
  6. Step 6: Final answer
    x = 557,578.58

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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.