Home / 859,392.38-1,289,083.45-219,695.10

Finding the Fourth Proportional to 859,392.38, 1,289,083.45 and 219,695.10

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Solution

The fourth proportional to 859,392.38, 1,289,083.45 and 219,695.10 is: 329,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,392.38 : 1,289,083.45 = 219,695.10 : x
  2. Step 2: Convert to fraction form
    859,392.38/1,289,083.45 = 219,695.10/x
  3. Step 3: Cross multiply
    859,392.38x = 1,289,083.45 × 219,695.10
  4. Step 4: Simplify right side
    859,392.38x = 283,205,317,456.10
  5. Step 5: Solve for x
    x = 283,205,317,456.10/859,392.38
  6. Step 6: Final answer
    x = 329,541.34

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Double scale
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1.5x scale

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.