Home / 1,101,929.52-1,520,545.92-618,547.84

Finding the Fourth Proportional to 1,101,929.52, 1,520,545.92 and 618,547.84

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Solution

The fourth proportional to 1,101,929.52, 1,520,545.92 and 618,547.84 is: 853,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,929.52 : 1,520,545.92 = 618,547.84 : x
  2. Step 2: Convert to fraction form
    1,101,929.52/1,520,545.92 = 618,547.84/x
  3. Step 3: Cross multiply
    1,101,929.52x = 1,520,545.92 × 618,547.84
  4. Step 4: Simplify right side
    1,101,929.52x = 940,530,400,348.30
  5. Step 5: Solve for x
    x = 940,530,400,348.30/1,101,929.52
  6. Step 6: Final answer
    x = 853,530.45

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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.