Home / 814,149.23-1,123,480.13-451,547.06

Finding the Fourth Proportional to 814,149.23, 1,123,480.13 and 451,547.06

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Solution

The fourth proportional to 814,149.23, 1,123,480.13 and 451,547.06 is: 623,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,149.23 : 1,123,480.13 = 451,547.06 : x
  2. Step 2: Convert to fraction form
    814,149.23/1,123,480.13 = 451,547.06/x
  3. Step 3: Cross multiply
    814,149.23x = 1,123,480.13 × 451,547.06
  4. Step 4: Simplify right side
    814,149.23x = 507,304,141,794.78
  5. Step 5: Solve for x
    x = 507,304,141,794.78/814,149.23
  6. Step 6: Final answer
    x = 623,109.53

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Double scale
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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.