Home / 1,227,079.80-1,840,703.79-417,134.64

Finding the Fourth Proportional to 1,227,079.80, 1,840,703.79 and 417,134.64

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Solution

The fourth proportional to 1,227,079.80, 1,840,703.79 and 417,134.64 is: 625,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,079.80 : 1,840,703.79 = 417,134.64 : x
  2. Step 2: Convert to fraction form
    1,227,079.80/1,840,703.79 = 417,134.64/x
  3. Step 3: Cross multiply
    1,227,079.80x = 1,840,703.79 × 417,134.64
  4. Step 4: Simplify right side
    1,227,079.80x = 767,821,312,788.29
  5. Step 5: Solve for x
    x = 767,821,312,788.29/1,227,079.80
  6. Step 6: Final answer
    x = 625,730.55

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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.