Home / 555,780.15-766,966.59-314,057.52

Finding the Fourth Proportional to 555,780.15, 766,966.59 and 314,057.52

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Solution

The fourth proportional to 555,780.15, 766,966.59 and 314,057.52 is: 433,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,780.15 : 766,966.59 = 314,057.52 : x
  2. Step 2: Convert to fraction form
    555,780.15/766,966.59 = 314,057.52/x
  3. Step 3: Cross multiply
    555,780.15x = 766,966.59 × 314,057.52
  4. Step 4: Simplify right side
    555,780.15x = 240,871,625,178.26
  5. Step 5: Solve for x
    x = 240,871,625,178.26/555,780.15
  6. Step 6: Final answer
    x = 433,393.72

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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.