Home / 1,451,171.80-2,176,775.93-386,207.29

Finding the Fourth Proportional to 1,451,171.80, 2,176,775.93 and 386,207.29

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Solution

The fourth proportional to 1,451,171.80, 2,176,775.93 and 386,207.29 is: 579,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,171.80 : 2,176,775.93 = 386,207.29 : x
  2. Step 2: Convert to fraction form
    1,451,171.80/2,176,775.93 = 386,207.29/x
  3. Step 3: Cross multiply
    1,451,171.80x = 2,176,775.93 × 386,207.29
  4. Step 4: Simplify right side
    1,451,171.80x = 840,686,732,862.53
  5. Step 5: Solve for x
    x = 840,686,732,862.53/1,451,171.80
  6. Step 6: Final answer
    x = 579,315.79

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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.