Home / 423,285.28-584,120.48-232,293.76

Finding the Fourth Proportional to 423,285.28, 584,120.48 and 232,293.76

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Solution

The fourth proportional to 423,285.28, 584,120.48 and 232,293.76 is: 320,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,285.28 : 584,120.48 = 232,293.76 : x
  2. Step 2: Convert to fraction form
    423,285.28/584,120.48 = 232,293.76/x
  3. Step 3: Cross multiply
    423,285.28x = 584,120.48 × 232,293.76
  4. Step 4: Simplify right side
    423,285.28x = 135,687,542,592.21
  5. Step 5: Solve for x
    x = 135,687,542,592.21/423,285.28
  6. Step 6: Final answer
    x = 320,558.14

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1.5x scale

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.