Home / 836,855.06-1,254,320.28-386,630.12

Finding the Fourth Proportional to 836,855.06, 1,254,320.28 and 386,630.12

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Solution

The fourth proportional to 836,855.06, 1,254,320.28 and 386,630.12 is: 579,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,855.06 : 1,254,320.28 = 386,630.12 : x
  2. Step 2: Convert to fraction form
    836,855.06/1,254,320.28 = 386,630.12/x
  3. Step 3: Cross multiply
    836,855.06x = 1,254,320.28 × 386,630.12
  4. Step 4: Simplify right side
    836,855.06x = 484,958,000,374.83
  5. Step 5: Solve for x
    x = 484,958,000,374.83/836,855.06
  6. Step 6: Final answer
    x = 579,500.59

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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.