Home / 454,023.10-681,423.45-201,691.90

Finding the Fourth Proportional to 454,023.10, 681,423.45 and 201,691.90

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Solution

The fourth proportional to 454,023.10, 681,423.45 and 201,691.90 is: 302,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,023.10 : 681,423.45 = 201,691.90 : x
  2. Step 2: Convert to fraction form
    454,023.10/681,423.45 = 201,691.90/x
  3. Step 3: Cross multiply
    454,023.10x = 681,423.45 × 201,691.90
  4. Step 4: Simplify right side
    454,023.10x = 137,437,590,335.06
  5. Step 5: Solve for x
    x = 137,437,590,335.06/454,023.10
  6. Step 6: Final answer
    x = 302,710.57

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1.5x scale

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.