Home / 580,629.90-869,778.45-403,337.10

Finding the Fourth Proportional to 580,629.90, 869,778.45 and 403,337.10

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Solution

The fourth proportional to 580,629.90, 869,778.45 and 403,337.10 is: 604,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,629.90 : 869,778.45 = 403,337.10 : x
  2. Step 2: Convert to fraction form
    580,629.90/869,778.45 = 403,337.10/x
  3. Step 3: Cross multiply
    580,629.90x = 869,778.45 × 403,337.10
  4. Step 4: Simplify right side
    580,629.90x = 350,813,917,665.50
  5. Step 5: Solve for x
    x = 350,813,917,665.50/580,629.90
  6. Step 6: Final answer
    x = 604,195.41

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1.5x scale

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.