Home / 526,916.43-790,373.46-407,147.54

Finding the Fourth Proportional to 526,916.43, 790,373.46 and 407,147.54

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Solution

The fourth proportional to 526,916.43, 790,373.46 and 407,147.54 is: 610,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,916.43 : 790,373.46 = 407,147.54 : x
  2. Step 2: Convert to fraction form
    526,916.43/790,373.46 = 407,147.54/x
  3. Step 3: Cross multiply
    526,916.43x = 790,373.46 × 407,147.54
  4. Step 4: Simplify right side
    526,916.43x = 321,798,605,968.42
  5. Step 5: Solve for x
    x = 321,798,605,968.42/526,916.43
  6. Step 6: Final answer
    x = 610,720.39

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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.