Home / 356,631.60-534,947.40-230,660.40

Finding the Fourth Proportional to 356,631.60, 534,947.40 and 230,660.40

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Solution

The fourth proportional to 356,631.60, 534,947.40 and 230,660.40 is: 345,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,631.60 : 534,947.40 = 230,660.40 : x
  2. Step 2: Convert to fraction form
    356,631.60/534,947.40 = 230,660.40/x
  3. Step 3: Cross multiply
    356,631.60x = 534,947.40 × 230,660.40
  4. Step 4: Simplify right side
    356,631.60x = 123,391,181,262.96
  5. Step 5: Solve for x
    x = 123,391,181,262.96/356,631.60
  6. Step 6: Final answer
    x = 345,990.60

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1.5x scale

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.