Home / 488,461.02-674,307.08-327,421.27

Finding the Fourth Proportional to 488,461.02, 674,307.08 and 327,421.27

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Solution

The fourth proportional to 488,461.02, 674,307.08 and 327,421.27 is: 451,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,461.02 : 674,307.08 = 327,421.27 : x
  2. Step 2: Convert to fraction form
    488,461.02/674,307.08 = 327,421.27/x
  3. Step 3: Cross multiply
    488,461.02x = 674,307.08 × 327,421.27
  4. Step 4: Simplify right side
    488,461.02x = 220,782,480,503.59
  5. Step 5: Solve for x
    x = 220,782,480,503.59/488,461.02
  6. Step 6: Final answer
    x = 451,996.11

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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.