Home / 880,858.92-1,320,821.82-348,358.44

Finding the Fourth Proportional to 880,858.92, 1,320,821.82 and 348,358.44

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Solution

The fourth proportional to 880,858.92, 1,320,821.82 and 348,358.44 is: 522,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,858.92 : 1,320,821.82 = 348,358.44 : x
  2. Step 2: Convert to fraction form
    880,858.92/1,320,821.82 = 348,358.44/x
  3. Step 3: Cross multiply
    880,858.92x = 1,320,821.82 × 348,358.44
  4. Step 4: Simplify right side
    880,858.92x = 460,119,428,733.16
  5. Step 5: Solve for x
    x = 460,119,428,733.16/880,858.92
  6. Step 6: Final answer
    x = 522,353.15

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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.