Home / 814,345.19-1,123,797.66-451,769.05

Finding the Fourth Proportional to 814,345.19, 1,123,797.66 and 451,769.05

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Solution

The fourth proportional to 814,345.19, 1,123,797.66 and 451,769.05 is: 623,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,345.19 : 1,123,797.66 = 451,769.05 : x
  2. Step 2: Convert to fraction form
    814,345.19/1,123,797.66 = 451,769.05/x
  3. Step 3: Cross multiply
    814,345.19x = 1,123,797.66 × 451,769.05
  4. Step 4: Simplify right side
    814,345.19x = 507,696,995,631.44
  5. Step 5: Solve for x
    x = 507,696,995,631.44/814,345.19
  6. Step 6: Final answer
    x = 623,442.00

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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.