Home / 1,012,517.60-1,397,222.88-559,721.12

Finding the Fourth Proportional to 1,012,517.60, 1,397,222.88 and 559,721.12

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Solution

The fourth proportional to 1,012,517.60, 1,397,222.88 and 559,721.12 is: 772,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,517.60 : 1,397,222.88 = 559,721.12 : x
  2. Step 2: Convert to fraction form
    1,012,517.60/1,397,222.88 = 559,721.12/x
  3. Step 3: Cross multiply
    1,012,517.60x = 1,397,222.88 × 559,721.12
  4. Step 4: Simplify right side
    1,012,517.60x = 782,055,155,283.23
  5. Step 5: Solve for x
    x = 782,055,155,283.23/1,012,517.60
  6. Step 6: Final answer
    x = 772,386.73

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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.