Home / 836,818.12-1,154,820.78-454,844.92

Finding the Fourth Proportional to 836,818.12, 1,154,820.78 and 454,844.92

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Solution

The fourth proportional to 836,818.12, 1,154,820.78 and 454,844.92 is: 627,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,818.12 : 1,154,820.78 = 454,844.92 : x
  2. Step 2: Convert to fraction form
    836,818.12/1,154,820.78 = 454,844.92/x
  3. Step 3: Cross multiply
    836,818.12x = 1,154,820.78 × 454,844.92
  4. Step 4: Simplify right side
    836,818.12x = 525,264,365,293.44
  5. Step 5: Solve for x
    x = 525,264,365,293.44/836,818.12
  6. Step 6: Final answer
    x = 627,692.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.