Home / 813,419.60-1,122,586.22-450,957.14

Finding the Fourth Proportional to 813,419.60, 1,122,586.22 and 450,957.14

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Solution

The fourth proportional to 813,419.60, 1,122,586.22 and 450,957.14 is: 622,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,419.60 : 1,122,586.22 = 450,957.14 : x
  2. Step 2: Convert to fraction form
    813,419.60/1,122,586.22 = 450,957.14/x
  3. Step 3: Cross multiply
    813,419.60x = 1,122,586.22 × 450,957.14
  4. Step 4: Simplify right side
    813,419.60x = 506,238,271,174.61
  5. Step 5: Solve for x
    x = 506,238,271,174.61/813,419.60
  6. Step 6: Final answer
    x = 622,358.09

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1.5x scale

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.