Home / 956,221.68-1,319,634.41-542,787.56

Finding the Fourth Proportional to 956,221.68, 1,319,634.41 and 542,787.56

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Solution

The fourth proportional to 956,221.68, 1,319,634.41 and 542,787.56 is: 749,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,221.68 : 1,319,634.41 = 542,787.56 : x
  2. Step 2: Convert to fraction form
    956,221.68/1,319,634.41 = 542,787.56/x
  3. Step 3: Cross multiply
    956,221.68x = 1,319,634.41 × 542,787.56
  4. Step 4: Simplify right side
    956,221.68x = 716,281,132,183.83
  5. Step 5: Solve for x
    x = 716,281,132,183.83/956,221.68
  6. Step 6: Final answer
    x = 749,074.35

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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.