Home / 868,149.48-1,198,055.16-480,976.32

Finding the Fourth Proportional to 868,149.48, 1,198,055.16 and 480,976.32

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Solution

The fourth proportional to 868,149.48, 1,198,055.16 and 480,976.32 is: 663,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,149.48 : 1,198,055.16 = 480,976.32 : x
  2. Step 2: Convert to fraction form
    868,149.48/1,198,055.16 = 480,976.32/x
  3. Step 3: Cross multiply
    868,149.48x = 1,198,055.16 × 480,976.32
  4. Step 4: Simplify right side
    868,149.48x = 576,236,162,013.81
  5. Step 5: Solve for x
    x = 576,236,162,013.81/868,149.48
  6. Step 6: Final answer
    x = 663,752.24

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Double scale
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Similar ratio
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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.