Home / 868,050.96-1,197,897.20-486,091.42

Finding the Fourth Proportional to 868,050.96, 1,197,897.20 and 486,091.42

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Solution

The fourth proportional to 868,050.96, 1,197,897.20 and 486,091.42 is: 670,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,050.96 : 1,197,897.20 = 486,091.42 : x
  2. Step 2: Convert to fraction form
    868,050.96/1,197,897.20 = 486,091.42/x
  3. Step 3: Cross multiply
    868,050.96x = 1,197,897.20 × 486,091.42
  4. Step 4: Simplify right side
    868,050.96x = 582,287,550,962.02
  5. Step 5: Solve for x
    x = 582,287,550,962.02/868,050.96
  6. Step 6: Final answer
    x = 670,798.81

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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.