Home / 932,439.50-1,399,195.42-392,653.17

Finding the Fourth Proportional to 932,439.50, 1,399,195.42 and 392,653.17

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Solution

The fourth proportional to 932,439.50, 1,399,195.42 and 392,653.17 is: 589,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,439.50 : 1,399,195.42 = 392,653.17 : x
  2. Step 2: Convert to fraction form
    932,439.50/1,399,195.42 = 392,653.17/x
  3. Step 3: Cross multiply
    932,439.50x = 1,399,195.42 × 392,653.17
  4. Step 4: Simplify right side
    932,439.50x = 549,398,516,130.85
  5. Step 5: Solve for x
    x = 549,398,516,130.85/932,439.50
  6. Step 6: Final answer
    x = 589,205.54

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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.