Home / 1,101,845.68-1,520,547.05-618,410.82

Finding the Fourth Proportional to 1,101,845.68, 1,520,547.05 and 618,410.82

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Solution

The fourth proportional to 1,101,845.68, 1,520,547.05 and 618,410.82 is: 853,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,845.68 : 1,520,547.05 = 618,410.82 : x
  2. Step 2: Convert to fraction form
    1,101,845.68/1,520,547.05 = 618,410.82/x
  3. Step 3: Cross multiply
    1,101,845.68x = 1,520,547.05 × 618,410.82
  4. Step 4: Simplify right side
    1,101,845.68x = 940,322,755,287.16
  5. Step 5: Solve for x
    x = 940,322,755,287.16/1,101,845.68
  6. Step 6: Final answer
    x = 853,406.95

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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.