Home / 1,217,853.28-1,680,640.62-674,026.48

Finding the Fourth Proportional to 1,217,853.28, 1,680,640.62 and 674,026.48

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Solution

The fourth proportional to 1,217,853.28, 1,680,640.62 and 674,026.48 is: 930,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,853.28 : 1,680,640.62 = 674,026.48 : x
  2. Step 2: Convert to fraction form
    1,217,853.28/1,680,640.62 = 674,026.48/x
  3. Step 3: Cross multiply
    1,217,853.28x = 1,680,640.62 × 674,026.48
  4. Step 4: Simplify right side
    1,217,853.28x = 1,132,796,281,243.62
  5. Step 5: Solve for x
    x = 1,132,796,281,243.62/1,217,853.28
  6. Step 6: Final answer
    x = 930,158.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.