Home / 388,924.26-583,484.80-108,441.50

Finding the Fourth Proportional to 388,924.26, 583,484.80 and 108,441.50

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Solution

The fourth proportional to 388,924.26, 583,484.80 and 108,441.50 is: 162,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,924.26 : 583,484.80 = 108,441.50 : x
  2. Step 2: Convert to fraction form
    388,924.26/583,484.80 = 108,441.50/x
  3. Step 3: Cross multiply
    388,924.26x = 583,484.80 × 108,441.50
  4. Step 4: Simplify right side
    388,924.26x = 63,273,966,939.20
  5. Step 5: Solve for x
    x = 63,273,966,939.20/388,924.26
  6. Step 6: Final answer
    x = 162,689.69

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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.