Home / 865,265.22-1,298,230.22-609,343.40

Finding the Fourth Proportional to 865,265.22, 1,298,230.22 and 609,343.40

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Solution

The fourth proportional to 865,265.22, 1,298,230.22 and 609,343.40 is: 914,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,265.22 : 1,298,230.22 = 609,343.40 : x
  2. Step 2: Convert to fraction form
    865,265.22/1,298,230.22 = 609,343.40/x
  3. Step 3: Cross multiply
    865,265.22x = 1,298,230.22 × 609,343.40
  4. Step 4: Simplify right side
    865,265.22x = 791,068,016,237.55
  5. Step 5: Solve for x
    x = 791,068,016,237.55/865,265.22
  6. Step 6: Final answer
    x = 914,249.18

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Double scale
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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.