Home / 957,937.80-1,321,963.38-528,233.16

Finding the Fourth Proportional to 957,937.80, 1,321,963.38 and 528,233.16

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Solution

The fourth proportional to 957,937.80, 1,321,963.38 and 528,233.16 is: 728,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,937.80 : 1,321,963.38 = 528,233.16 : x
  2. Step 2: Convert to fraction form
    957,937.80/1,321,963.38 = 528,233.16/x
  3. Step 3: Cross multiply
    957,937.80x = 1,321,963.38 × 528,233.16
  4. Step 4: Simplify right side
    957,937.80x = 698,304,893,621.68
  5. Step 5: Solve for x
    x = 698,304,893,621.68/957,937.80
  6. Step 6: Final answer
    x = 728,966.84

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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.