Home / 814,168.17-1,123,686.63-451,708.83

Finding the Fourth Proportional to 814,168.17, 1,123,686.63 and 451,708.83

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Solution

The fourth proportional to 814,168.17, 1,123,686.63 and 451,708.83 is: 623,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,168.17 : 1,123,686.63 = 451,708.83 : x
  2. Step 2: Convert to fraction form
    814,168.17/1,123,686.63 = 451,708.83/x
  3. Step 3: Cross multiply
    814,168.17x = 1,123,686.63 × 451,708.83
  4. Step 4: Simplify right side
    814,168.17x = 507,579,172,923.94
  5. Step 5: Solve for x
    x = 507,579,172,923.94/814,168.17
  6. Step 6: Final answer
    x = 623,432.84

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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.