Home / 1,255,444.20-1,732,505.76-711,682.56

Finding the Fourth Proportional to 1,255,444.20, 1,732,505.76 and 711,682.56

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Solution

The fourth proportional to 1,255,444.20, 1,732,505.76 and 711,682.56 is: 982,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,444.20 : 1,732,505.76 = 711,682.56 : x
  2. Step 2: Convert to fraction form
    1,255,444.20/1,732,505.76 = 711,682.56/x
  3. Step 3: Cross multiply
    1,255,444.20x = 1,732,505.76 × 711,682.56
  4. Step 4: Simplify right side
    1,255,444.20x = 1,232,994,134,491.55
  5. Step 5: Solve for x
    x = 1,232,994,134,491.55/1,255,444.20
  6. Step 6: Final answer
    x = 982,117.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.