Home / 689,410.40-1,034,893.20-532,335.20

Finding the Fourth Proportional to 689,410.40, 1,034,893.20 and 532,335.20

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Solution

The fourth proportional to 689,410.40, 1,034,893.20 and 532,335.20 is: 799,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,410.40 : 1,034,893.20 = 532,335.20 : x
  2. Step 2: Convert to fraction form
    689,410.40/1,034,893.20 = 532,335.20/x
  3. Step 3: Cross multiply
    689,410.40x = 1,034,893.20 × 532,335.20
  4. Step 4: Simplify right side
    689,410.40x = 550,910,078,600.64
  5. Step 5: Solve for x
    x = 550,910,078,600.64/689,410.40
  6. Step 6: Final answer
    x = 799,103.23

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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.