Home / 1,101,972.08-1,520,604.48-618,590.36

Finding the Fourth Proportional to 1,101,972.08, 1,520,604.48 and 618,590.36

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Solution

The fourth proportional to 1,101,972.08, 1,520,604.48 and 618,590.36 is: 853,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,972.08 : 1,520,604.48 = 618,590.36 : x
  2. Step 2: Convert to fraction form
    1,101,972.08/1,520,604.48 = 618,590.36/x
  3. Step 3: Cross multiply
    1,101,972.08x = 1,520,604.48 × 618,590.36
  4. Step 4: Simplify right side
    1,101,972.08x = 940,631,272,700.81
  5. Step 5: Solve for x
    x = 940,631,272,700.81/1,101,972.08
  6. Step 6: Final answer
    x = 853,589.02

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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.