Home / 542,919.40-814,767.90-306,010.60

Finding the Fourth Proportional to 542,919.40, 814,767.90 and 306,010.60

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Solution

The fourth proportional to 542,919.40, 814,767.90 and 306,010.60 is: 459,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,919.40 : 814,767.90 = 306,010.60 : x
  2. Step 2: Convert to fraction form
    542,919.40/814,767.90 = 306,010.60/x
  3. Step 3: Cross multiply
    542,919.40x = 814,767.90 × 306,010.60
  4. Step 4: Simplify right side
    542,919.40x = 249,327,613,939.74
  5. Step 5: Solve for x
    x = 249,327,613,939.74/542,919.40
  6. Step 6: Final answer
    x = 459,235.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.