Home / 1,243,171.55-1,864,572.56-344,519.58

Finding the Fourth Proportional to 1,243,171.55, 1,864,572.56 and 344,519.58

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Solution

The fourth proportional to 1,243,171.55, 1,864,572.56 and 344,519.58 is: 516,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,171.55 : 1,864,572.56 = 344,519.58 : x
  2. Step 2: Convert to fraction form
    1,243,171.55/1,864,572.56 = 344,519.58/x
  3. Step 3: Cross multiply
    1,243,171.55x = 1,864,572.56 × 344,519.58
  4. Step 4: Simplify right side
    1,243,171.55x = 642,381,755,250.73
  5. Step 5: Solve for x
    x = 642,381,755,250.73/1,243,171.55
  6. Step 6: Final answer
    x = 516,728.17

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1.5x scale

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.