Home / 932,765.20-1,287,217.50-524,889.70

Finding the Fourth Proportional to 932,765.20, 1,287,217.50 and 524,889.70

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Solution

The fourth proportional to 932,765.20, 1,287,217.50 and 524,889.70 is: 724,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,765.20 : 1,287,217.50 = 524,889.70 : x
  2. Step 2: Convert to fraction form
    932,765.20/1,287,217.50 = 524,889.70/x
  3. Step 3: Cross multiply
    932,765.20x = 1,287,217.50 × 524,889.70
  4. Step 4: Simplify right side
    932,765.20x = 675,647,207,409.75
  5. Step 5: Solve for x
    x = 675,647,207,409.75/932,765.20
  6. Step 6: Final answer
    x = 724,348.64

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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.