Home / 868,303.38-1,198,262.10-486,330.17

Finding the Fourth Proportional to 868,303.38, 1,198,262.10 and 486,330.17

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Solution

The fourth proportional to 868,303.38, 1,198,262.10 and 486,330.17 is: 671,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,303.38 : 1,198,262.10 = 486,330.17 : x
  2. Step 2: Convert to fraction form
    868,303.38/1,198,262.10 = 486,330.17/x
  3. Step 3: Cross multiply
    868,303.38x = 1,198,262.10 × 486,330.17
  4. Step 4: Simplify right side
    868,303.38x = 582,751,004,806.25
  5. Step 5: Solve for x
    x = 582,751,004,806.25/868,303.38
  6. Step 6: Final answer
    x = 671,137.55

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Double scale
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1.5x scale

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.