Home / 876,314.70-1,228,612.05-876,314.70

Finding the Fourth Proportional to 876,314.70, 1,228,612.05 and 876,314.70

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Solution

The fourth proportional to 876,314.70, 1,228,612.05 and 876,314.70 is: 1,228,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,314.70 : 1,228,612.05 = 876,314.70 : x
  2. Step 2: Convert to fraction form
    876,314.70/1,228,612.05 = 876,314.70/x
  3. Step 3: Cross multiply
    876,314.70x = 1,228,612.05 × 876,314.70
  4. Step 4: Simplify right side
    876,314.70x = 1,076,650,800,012.14
  5. Step 5: Solve for x
    x = 1,076,650,800,012.14/876,314.70
  6. Step 6: Final answer
    x = 1,228,612.05

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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.