Home / 651,242.43-977,494.23-314,519.76

Finding the Fourth Proportional to 651,242.43, 977,494.23 and 314,519.76

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Solution

The fourth proportional to 651,242.43, 977,494.23 and 314,519.76 is: 472,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,242.43 : 977,494.23 = 314,519.76 : x
  2. Step 2: Convert to fraction form
    651,242.43/977,494.23 = 314,519.76/x
  3. Step 3: Cross multiply
    651,242.43x = 977,494.23 × 314,519.76
  4. Step 4: Simplify right side
    651,242.43x = 307,441,250,620.99
  5. Step 5: Solve for x
    x = 307,441,250,620.99/651,242.43
  6. Step 6: Final answer
    x = 472,084.18

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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.