Home / 868,684.56-1,198,796.52-486,703.12

Finding the Fourth Proportional to 868,684.56, 1,198,796.52 and 486,703.12

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Solution

The fourth proportional to 868,684.56, 1,198,796.52 and 486,703.12 is: 671,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,684.56 : 1,198,796.52 = 486,703.12 : x
  2. Step 2: Convert to fraction form
    868,684.56/1,198,796.52 = 486,703.12/x
  3. Step 3: Cross multiply
    868,684.56x = 1,198,796.52 × 486,703.12
  4. Step 4: Simplify right side
    868,684.56x = 583,458,006,529.14
  5. Step 5: Solve for x
    x = 583,458,006,529.14/868,684.56
  6. Step 6: Final answer
    x = 671,656.93

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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.