Home / 388,811.38-583,217.07-93,323.38

Finding the Fourth Proportional to 388,811.38, 583,217.07 and 93,323.38

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Solution

The fourth proportional to 388,811.38, 583,217.07 and 93,323.38 is: 139,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,811.38 : 583,217.07 = 93,323.38 : x
  2. Step 2: Convert to fraction form
    388,811.38/583,217.07 = 93,323.38/x
  3. Step 3: Cross multiply
    388,811.38x = 583,217.07 × 93,323.38
  4. Step 4: Simplify right side
    388,811.38x = 54,427,784,863.39
  5. Step 5: Solve for x
    x = 54,427,784,863.39/388,811.38
  6. Step 6: Final answer
    x = 139,985.06

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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.