Home / 773,943.60-1,160,915.40-727,287.60

Finding the Fourth Proportional to 773,943.60, 1,160,915.40 and 727,287.60

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Solution

The fourth proportional to 773,943.60, 1,160,915.40 and 727,287.60 is: 1,090,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,943.60 : 1,160,915.40 = 727,287.60 : x
  2. Step 2: Convert to fraction form
    773,943.60/1,160,915.40 = 727,287.60/x
  3. Step 3: Cross multiply
    773,943.60x = 1,160,915.40 × 727,287.60
  4. Step 4: Simplify right side
    773,943.60x = 844,319,375,069.04
  5. Step 5: Solve for x
    x = 844,319,375,069.04/773,943.60
  6. Step 6: Final answer
    x = 1,090,931.40

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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.