Home / 488,531.30-731,714.22-375,378.62

Finding the Fourth Proportional to 488,531.30, 731,714.22 and 375,378.62

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Solution

The fourth proportional to 488,531.30, 731,714.22 and 375,378.62 is: 562,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,531.30 : 731,714.22 = 375,378.62 : x
  2. Step 2: Convert to fraction form
    488,531.30/731,714.22 = 375,378.62/x
  3. Step 3: Cross multiply
    488,531.30x = 731,714.22 × 375,378.62
  4. Step 4: Simplify right side
    488,531.30x = 274,669,870,479.41
  5. Step 5: Solve for x
    x = 274,669,870,479.41/488,531.30
  6. Step 6: Final answer
    x = 562,235.98

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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.