Home / 725,044.83-1,087,677.90-369,865.08

Finding the Fourth Proportional to 725,044.83, 1,087,677.90 and 369,865.08

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Solution

The fourth proportional to 725,044.83, 1,087,677.90 and 369,865.08 is: 554,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,044.83 : 1,087,677.90 = 369,865.08 : x
  2. Step 2: Convert to fraction form
    725,044.83/1,087,677.90 = 369,865.08/x
  3. Step 3: Cross multiply
    725,044.83x = 1,087,677.90 × 369,865.08
  4. Step 4: Simplify right side
    725,044.83x = 402,294,073,497.73
  5. Step 5: Solve for x
    x = 402,294,073,497.73/725,044.83
  6. Step 6: Final answer
    x = 554,854.07

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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.