Home / 814,043.17-1,123,448.61-451,583.83

Finding the Fourth Proportional to 814,043.17, 1,123,448.61 and 451,583.83

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Solution

The fourth proportional to 814,043.17, 1,123,448.61 and 451,583.83 is: 623,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,043.17 : 1,123,448.61 = 451,583.83 : x
  2. Step 2: Convert to fraction form
    814,043.17/1,123,448.61 = 451,583.83/x
  3. Step 3: Cross multiply
    814,043.17x = 1,123,448.61 × 451,583.83
  4. Step 4: Simplify right side
    814,043.17x = 507,331,226,111.98
  5. Step 5: Solve for x
    x = 507,331,226,111.98/814,043.17
  6. Step 6: Final answer
    x = 623,223.98

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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.