Home / 388,944.75-583,417.13-93,456.75

Finding the Fourth Proportional to 388,944.75, 583,417.13 and 93,456.75

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Solution

The fourth proportional to 388,944.75, 583,417.13 and 93,456.75 is: 140,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,944.75 : 583,417.13 = 93,456.75 : x
  2. Step 2: Convert to fraction form
    388,944.75/583,417.13 = 93,456.75/x
  3. Step 3: Cross multiply
    388,944.75x = 583,417.13 × 93,456.75
  4. Step 4: Simplify right side
    388,944.75x = 54,524,268,396.84
  5. Step 5: Solve for x
    x = 54,524,268,396.84/388,944.75
  6. Step 6: Final answer
    x = 140,185.13

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Similar ratio
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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.