Home / 735,159.20-1,101,280.80-647,484.80

Finding the Fourth Proportional to 735,159.20, 1,101,280.80 and 647,484.80

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Solution

The fourth proportional to 735,159.20, 1,101,280.80 and 647,484.80 is: 969,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,159.20 : 1,101,280.80 = 647,484.80 : x
  2. Step 2: Convert to fraction form
    735,159.20/1,101,280.80 = 647,484.80/x
  3. Step 3: Cross multiply
    735,159.20x = 1,101,280.80 × 647,484.80
  4. Step 4: Simplify right side
    735,159.20x = 713,062,578,531.84
  5. Step 5: Solve for x
    x = 713,062,578,531.84/735,159.20
  6. Step 6: Final answer
    x = 969,943.08

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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.