Home / 814,382.69-1,123,854.89-451,830.33

Finding the Fourth Proportional to 814,382.69, 1,123,854.89 and 451,830.33

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Solution

The fourth proportional to 814,382.69, 1,123,854.89 and 451,830.33 is: 623,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,382.69 : 1,123,854.89 = 451,830.33 : x
  2. Step 2: Convert to fraction form
    814,382.69/1,123,854.89 = 451,830.33/x
  3. Step 3: Cross multiply
    814,382.69x = 1,123,854.89 × 451,830.33
  4. Step 4: Simplify right side
    814,382.69x = 507,791,723,561.66
  5. Step 5: Solve for x
    x = 507,791,723,561.66/814,382.69
  6. Step 6: Final answer
    x = 623,529.62

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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.