Home / 827,164.05-1,240,746.08-753,680.85

Finding the Fourth Proportional to 827,164.05, 1,240,746.08 and 753,680.85

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Solution

The fourth proportional to 827,164.05, 1,240,746.08 and 753,680.85 is: 1,130,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,164.05 : 1,240,746.08 = 753,680.85 : x
  2. Step 2: Convert to fraction form
    827,164.05/1,240,746.08 = 753,680.85/x
  3. Step 3: Cross multiply
    827,164.05x = 1,240,746.08 × 753,680.85
  4. Step 4: Simplify right side
    827,164.05x = 935,126,556,440.16
  5. Step 5: Solve for x
    x = 935,126,556,440.16/827,164.05
  6. Step 6: Final answer
    x = 1,130,521.28

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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.