Home / 864,118.60-1,296,177.90-826,793.80

Finding the Fourth Proportional to 864,118.60, 1,296,177.90 and 826,793.80

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Solution

The fourth proportional to 864,118.60, 1,296,177.90 and 826,793.80 is: 1,240,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,118.60 : 1,296,177.90 = 826,793.80 : x
  2. Step 2: Convert to fraction form
    864,118.60/1,296,177.90 = 826,793.80/x
  3. Step 3: Cross multiply
    864,118.60x = 1,296,177.90 × 826,793.80
  4. Step 4: Simplify right side
    864,118.60x = 1,071,671,851,417.02
  5. Step 5: Solve for x
    x = 1,071,671,851,417.02/864,118.60
  6. Step 6: Final answer
    x = 1,240,190.70

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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.