Home / 785,726.56-1,179,176.80-532,406.40

Finding the Fourth Proportional to 785,726.56, 1,179,176.80 and 532,406.40

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Solution

The fourth proportional to 785,726.56, 1,179,176.80 and 532,406.40 is: 799,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,726.56 : 1,179,176.80 = 532,406.40 : x
  2. Step 2: Convert to fraction form
    785,726.56/1,179,176.80 = 532,406.40/x
  3. Step 3: Cross multiply
    785,726.56x = 1,179,176.80 × 532,406.40
  4. Step 4: Simplify right side
    785,726.56x = 627,801,275,051.52
  5. Step 5: Solve for x
    x = 627,801,275,051.52/785,726.56
  6. Step 6: Final answer
    x = 799,007.32

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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.