Home / 814,418.10-1,123,993.89-470,337.71

Finding the Fourth Proportional to 814,418.10, 1,123,993.89 and 470,337.71

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Solution

The fourth proportional to 814,418.10, 1,123,993.89 and 470,337.71 is: 649,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,418.10 : 1,123,993.89 = 470,337.71 : x
  2. Step 2: Convert to fraction form
    814,418.10/1,123,993.89 = 470,337.71/x
  3. Step 3: Cross multiply
    814,418.10x = 1,123,993.89 × 470,337.71
  4. Step 4: Simplify right side
    814,418.10x = 528,656,706,656.62
  5. Step 5: Solve for x
    x = 528,656,706,656.62/814,418.10
  6. Step 6: Final answer
    x = 649,122.00

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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.