Home / 1,101,663.06-1,520,404.28-618,230.10

Finding the Fourth Proportional to 1,101,663.06, 1,520,404.28 and 618,230.10

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Solution

The fourth proportional to 1,101,663.06, 1,520,404.28 and 618,230.10 is: 853,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,663.06 : 1,520,404.28 = 618,230.10 : x
  2. Step 2: Convert to fraction form
    1,101,663.06/1,520,404.28 = 618,230.10/x
  3. Step 3: Cross multiply
    1,101,663.06x = 1,520,404.28 × 618,230.10
  4. Step 4: Simplify right side
    1,101,663.06x = 939,959,686,973.68
  5. Step 5: Solve for x
    x = 939,959,686,973.68/1,101,663.06
  6. Step 6: Final answer
    x = 853,218.85

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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.