Home / 1,227,112.65-1,840,753.08-417,167.46

Finding the Fourth Proportional to 1,227,112.65, 1,840,753.08 and 417,167.46

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Solution

The fourth proportional to 1,227,112.65, 1,840,753.08 and 417,167.46 is: 625,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,112.65 : 1,840,753.08 = 417,167.46 : x
  2. Step 2: Convert to fraction form
    1,227,112.65/1,840,753.08 = 417,167.46/x
  3. Step 3: Cross multiply
    1,227,112.65x = 1,840,753.08 × 417,167.46
  4. Step 4: Simplify right side
    1,227,112.65x = 767,902,286,870.78
  5. Step 5: Solve for x
    x = 767,902,286,870.78/1,227,112.65
  6. Step 6: Final answer
    x = 625,779.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.