Home / 1,243,056.56-1,864,678.84-344,487.92

Finding the Fourth Proportional to 1,243,056.56, 1,864,678.84 and 344,487.92

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Solution

The fourth proportional to 1,243,056.56, 1,864,678.84 and 344,487.92 is: 516,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,056.56 : 1,864,678.84 = 344,487.92 : x
  2. Step 2: Convert to fraction form
    1,243,056.56/1,864,678.84 = 344,487.92/x
  3. Step 3: Cross multiply
    1,243,056.56x = 1,864,678.84 × 344,487.92
  4. Step 4: Simplify right side
    1,243,056.56x = 642,359,335,059.61
  5. Step 5: Solve for x
    x = 642,359,335,059.61/1,243,056.56
  6. Step 6: Final answer
    x = 516,757.93

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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.