Home / 876,266.20-1,228,544.15-876,266.20

Finding the Fourth Proportional to 876,266.20, 1,228,544.15 and 876,266.20

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Solution

The fourth proportional to 876,266.20, 1,228,544.15 and 876,266.20 is: 1,228,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,266.20 : 1,228,544.15 = 876,266.20 : x
  2. Step 2: Convert to fraction form
    876,266.20/1,228,544.15 = 876,266.20/x
  3. Step 3: Cross multiply
    876,266.20x = 1,228,544.15 × 876,266.20
  4. Step 4: Simplify right side
    876,266.20x = 1,076,531,713,852.73
  5. Step 5: Solve for x
    x = 1,076,531,713,852.73/876,266.20
  6. Step 6: Final answer
    x = 1,228,544.15

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Half scale
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Double scale
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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.