Home / 1,013,716.09-1,398,777.71-615,687.39

Finding the Fourth Proportional to 1,013,716.09, 1,398,777.71 and 615,687.39

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Solution

The fourth proportional to 1,013,716.09, 1,398,777.71 and 615,687.39 is: 849,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,716.09 : 1,398,777.71 = 615,687.39 : x
  2. Step 2: Convert to fraction form
    1,013,716.09/1,398,777.71 = 615,687.39/x
  3. Step 3: Cross multiply
    1,013,716.09x = 1,398,777.71 × 615,687.39
  4. Step 4: Simplify right side
    1,013,716.09x = 861,209,797,460.08
  5. Step 5: Solve for x
    x = 861,209,797,460.08/1,013,716.09
  6. Step 6: Final answer
    x = 849,557.19

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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.