Home / 651,872.40-976,642.20-532,899.60

Finding the Fourth Proportional to 651,872.40, 976,642.20 and 532,899.60

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Solution

The fourth proportional to 651,872.40, 976,642.20 and 532,899.60 is: 798,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,872.40 : 976,642.20 = 532,899.60 : x
  2. Step 2: Convert to fraction form
    651,872.40/976,642.20 = 532,899.60/x
  3. Step 3: Cross multiply
    651,872.40x = 976,642.20 × 532,899.60
  4. Step 4: Simplify right side
    651,872.40x = 520,452,237,723.12
  5. Step 5: Solve for x
    x = 520,452,237,723.12/651,872.40
  6. Step 6: Final answer
    x = 798,395.88

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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.