Home / 1,101,953.85-1,520,579.61-618,572.18

Finding the Fourth Proportional to 1,101,953.85, 1,520,579.61 and 618,572.18

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Solution

The fourth proportional to 1,101,953.85, 1,520,579.61 and 618,572.18 is: 853,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,953.85 : 1,520,579.61 = 618,572.18 : x
  2. Step 2: Convert to fraction form
    1,101,953.85/1,520,579.61 = 618,572.18/x
  3. Step 3: Cross multiply
    1,101,953.85x = 1,520,579.61 × 618,572.18
  4. Step 4: Simplify right side
    1,101,953.85x = 940,588,236,618.35
  5. Step 5: Solve for x
    x = 940,588,236,618.35/1,101,953.85
  6. Step 6: Final answer
    x = 853,564.09

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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.