Home / 1,244,178.50-1,866,593.66-391,215.69

Finding the Fourth Proportional to 1,244,178.50, 1,866,593.66 and 391,215.69

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Solution

The fourth proportional to 1,244,178.50, 1,866,593.66 and 391,215.69 is: 586,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,178.50 : 1,866,593.66 = 391,215.69 : x
  2. Step 2: Convert to fraction form
    1,244,178.50/1,866,593.66 = 391,215.69/x
  3. Step 3: Cross multiply
    1,244,178.50x = 1,866,593.66 × 391,215.69
  4. Step 4: Simplify right side
    1,244,178.50x = 730,240,724,690.45
  5. Step 5: Solve for x
    x = 730,240,724,690.45/1,244,178.50
  6. Step 6: Final answer
    x = 586,926.01

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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.