Home / 866,336.25-1,195,504.47-479,155.17

Finding the Fourth Proportional to 866,336.25, 1,195,504.47 and 479,155.17

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Solution

The fourth proportional to 866,336.25, 1,195,504.47 and 479,155.17 is: 661,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,336.25 : 1,195,504.47 = 479,155.17 : x
  2. Step 2: Convert to fraction form
    866,336.25/1,195,504.47 = 479,155.17/x
  3. Step 3: Cross multiply
    866,336.25x = 1,195,504.47 × 479,155.17
  4. Step 4: Simplify right side
    866,336.25x = 572,832,147,558.61
  5. Step 5: Solve for x
    x = 572,832,147,558.61/866,336.25
  6. Step 6: Final answer
    x = 661,212.26

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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.