Home / 651,851.40-977,947.20-252,505.20

Finding the Fourth Proportional to 651,851.40, 977,947.20 and 252,505.20

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Solution

The fourth proportional to 651,851.40, 977,947.20 and 252,505.20 is: 378,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,851.40 : 977,947.20 = 252,505.20 : x
  2. Step 2: Convert to fraction form
    651,851.40/977,947.20 = 252,505.20/x
  3. Step 3: Cross multiply
    651,851.40x = 977,947.20 × 252,505.20
  4. Step 4: Simplify right side
    651,851.40x = 246,936,753,325.44
  5. Step 5: Solve for x
    x = 246,936,753,325.44/651,851.40
  6. Step 6: Final answer
    x = 378,823.69

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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.