Home / 782,910.62-1,080,350.70-434,060.36

Finding the Fourth Proportional to 782,910.62, 1,080,350.70 and 434,060.36

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Solution

The fourth proportional to 782,910.62, 1,080,350.70 and 434,060.36 is: 598,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,910.62 : 1,080,350.70 = 434,060.36 : x
  2. Step 2: Convert to fraction form
    782,910.62/1,080,350.70 = 434,060.36/x
  3. Step 3: Cross multiply
    782,910.62x = 1,080,350.70 × 434,060.36
  4. Step 4: Simplify right side
    782,910.62x = 468,937,413,768.25
  5. Step 5: Solve for x
    x = 468,937,413,768.25/782,910.62
  6. Step 6: Final answer
    x = 598,966.73

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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.