Home / 1,012,419.29-1,397,151.87-553,534.38

Finding the Fourth Proportional to 1,012,419.29, 1,397,151.87 and 553,534.38

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Solution

The fourth proportional to 1,012,419.29, 1,397,151.87 and 553,534.38 is: 763,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,419.29 : 1,397,151.87 = 553,534.38 : x
  2. Step 2: Convert to fraction form
    1,012,419.29/1,397,151.87 = 553,534.38/x
  3. Step 3: Cross multiply
    1,012,419.29x = 1,397,151.87 × 553,534.38
  4. Step 4: Simplify right side
    1,012,419.29x = 773,371,594,126.29
  5. Step 5: Solve for x
    x = 773,371,594,126.29/1,012,419.29
  6. Step 6: Final answer
    x = 763,884.69

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1.5x scale

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.