Home / 557,826.92-769,801.25-303,178.13

Finding the Fourth Proportional to 557,826.92, 769,801.25 and 303,178.13

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Solution

The fourth proportional to 557,826.92, 769,801.25 and 303,178.13 is: 418,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,826.92 : 769,801.25 = 303,178.13 : x
  2. Step 2: Convert to fraction form
    557,826.92/769,801.25 = 303,178.13/x
  3. Step 3: Cross multiply
    557,826.92x = 769,801.25 × 303,178.13
  4. Step 4: Simplify right side
    557,826.92x = 233,386,903,446.66
  5. Step 5: Solve for x
    x = 233,386,903,446.66/557,826.92
  6. Step 6: Final answer
    x = 418,385.87

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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.