Home / 1,102,185.65-1,520,932.19-618,657.36

Finding the Fourth Proportional to 1,102,185.65, 1,520,932.19 and 618,657.36

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Solution

The fourth proportional to 1,102,185.65, 1,520,932.19 and 618,657.36 is: 853,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,185.65 : 1,520,932.19 = 618,657.36 : x
  2. Step 2: Convert to fraction form
    1,102,185.65/1,520,932.19 = 618,657.36/x
  3. Step 3: Cross multiply
    1,102,185.65x = 1,520,932.19 × 618,657.36
  4. Step 4: Simplify right side
    1,102,185.65x = 940,935,890,311.13
  5. Step 5: Solve for x
    x = 940,935,890,311.13/1,102,185.65
  6. Step 6: Final answer
    x = 853,700.00

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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.