Home / 728,524.80-1,092,725.76-411,985.92

Finding the Fourth Proportional to 728,524.80, 1,092,725.76 and 411,985.92

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Solution

The fourth proportional to 728,524.80, 1,092,725.76 and 411,985.92 is: 617,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,524.80 : 1,092,725.76 = 411,985.92 : x
  2. Step 2: Convert to fraction form
    728,524.80/1,092,725.76 = 411,985.92/x
  3. Step 3: Cross multiply
    728,524.80x = 1,092,725.76 × 411,985.92
  4. Step 4: Simplify right side
    728,524.80x = 450,187,627,541.30
  5. Step 5: Solve for x
    x = 450,187,627,541.30/728,524.80
  6. Step 6: Final answer
    x = 617,944.14

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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.