Home / 1,350,781.42-2,022,925.11-772,652.52

Finding the Fourth Proportional to 1,350,781.42, 2,022,925.11 and 772,652.52

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Solution

The fourth proportional to 1,350,781.42, 2,022,925.11 and 772,652.52 is: 1,157,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,781.42 : 2,022,925.11 = 772,652.52 : x
  2. Step 2: Convert to fraction form
    1,350,781.42/2,022,925.11 = 772,652.52/x
  3. Step 3: Cross multiply
    1,350,781.42x = 2,022,925.11 × 772,652.52
  4. Step 4: Simplify right side
    1,350,781.42x = 1,563,018,184,012.78
  5. Step 5: Solve for x
    x = 1,563,018,184,012.78/1,350,781.42
  6. Step 6: Final answer
    x = 1,157,121.47

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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.