Home / 454,810.20-681,777.90-353,552.10

Finding the Fourth Proportional to 454,810.20, 681,777.90 and 353,552.10

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Solution

The fourth proportional to 454,810.20, 681,777.90 and 353,552.10 is: 529,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,810.20 : 681,777.90 = 353,552.10 : x
  2. Step 2: Convert to fraction form
    454,810.20/681,777.90 = 353,552.10/x
  3. Step 3: Cross multiply
    454,810.20x = 681,777.90 × 353,552.10
  4. Step 4: Simplify right side
    454,810.20x = 241,044,008,278.59
  5. Step 5: Solve for x
    x = 241,044,008,278.59/454,810.20
  6. Step 6: Final answer
    x = 529,988.13

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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.