Home / 766,712.96-1,057,031.52-536,960.96

Finding the Fourth Proportional to 766,712.96, 1,057,031.52 and 536,960.96

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Solution

The fourth proportional to 766,712.96, 1,057,031.52 and 536,960.96 is: 740,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,712.96 : 1,057,031.52 = 536,960.96 : x
  2. Step 2: Convert to fraction form
    766,712.96/1,057,031.52 = 536,960.96/x
  3. Step 3: Cross multiply
    766,712.96x = 1,057,031.52 × 536,960.96
  4. Step 4: Simplify right side
    766,712.96x = 567,584,659,729.46
  5. Step 5: Solve for x
    x = 567,584,659,729.46/766,712.96
  6. Step 6: Final answer
    x = 740,283.12

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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.