Home / 811,960.15-1,138,610.45-811,960.15

Finding the Fourth Proportional to 811,960.15, 1,138,610.45 and 811,960.15

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Solution

The fourth proportional to 811,960.15, 1,138,610.45 and 811,960.15 is: 1,138,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,960.15 : 1,138,610.45 = 811,960.15 : x
  2. Step 2: Convert to fraction form
    811,960.15/1,138,610.45 = 811,960.15/x
  3. Step 3: Cross multiply
    811,960.15x = 1,138,610.45 × 811,960.15
  4. Step 4: Simplify right side
    811,960.15x = 924,506,311,773.57
  5. Step 5: Solve for x
    x = 924,506,311,773.57/811,960.15
  6. Step 6: Final answer
    x = 1,138,610.45

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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.