Home / 433,870.16-598,432.20-398,175.44

Finding the Fourth Proportional to 433,870.16, 598,432.20 and 398,175.44

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Solution

The fourth proportional to 433,870.16, 598,432.20 and 398,175.44 is: 549,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,870.16 : 598,432.20 = 398,175.44 : x
  2. Step 2: Convert to fraction form
    433,870.16/598,432.20 = 398,175.44/x
  3. Step 3: Cross multiply
    433,870.16x = 598,432.20 × 398,175.44
  4. Step 4: Simplify right side
    433,870.16x = 238,281,004,545.17
  5. Step 5: Solve for x
    x = 238,281,004,545.17/433,870.16
  6. Step 6: Final answer
    x = 549,198.88

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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.