Home / 488,449.23-731,788.08-477,820.41

Finding the Fourth Proportional to 488,449.23, 731,788.08 and 477,820.41

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Solution

The fourth proportional to 488,449.23, 731,788.08 and 477,820.41 is: 715,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,449.23 : 731,788.08 = 477,820.41 : x
  2. Step 2: Convert to fraction form
    488,449.23/731,788.08 = 477,820.41/x
  3. Step 3: Cross multiply
    488,449.23x = 731,788.08 × 477,820.41
  4. Step 4: Simplify right side
    488,449.23x = 349,663,280,418.71
  5. Step 5: Solve for x
    x = 349,663,280,418.71/488,449.23
  6. Step 6: Final answer
    x = 715,864.12

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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.