Home / 876,315.20-1,228,612.75-876,315.20

Finding the Fourth Proportional to 876,315.20, 1,228,612.75 and 876,315.20

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Solution

The fourth proportional to 876,315.20, 1,228,612.75 and 876,315.20 is: 1,228,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,315.20 : 1,228,612.75 = 876,315.20 : x
  2. Step 2: Convert to fraction form
    876,315.20/1,228,612.75 = 876,315.20/x
  3. Step 3: Cross multiply
    876,315.20x = 1,228,612.75 × 876,315.20
  4. Step 4: Simplify right side
    876,315.20x = 1,076,652,027,738.80
  5. Step 5: Solve for x
    x = 1,076,652,027,738.80/876,315.20
  6. Step 6: Final answer
    x = 1,228,612.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.