Home / 585,965.40-878,948.10-142,733.40

Finding the Fourth Proportional to 585,965.40, 878,948.10 and 142,733.40

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Solution

The fourth proportional to 585,965.40, 878,948.10 and 142,733.40 is: 214,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,965.40 : 878,948.10 = 142,733.40 : x
  2. Step 2: Convert to fraction form
    585,965.40/878,948.10 = 142,733.40/x
  3. Step 3: Cross multiply
    585,965.40x = 878,948.10 × 142,733.40
  4. Step 4: Simplify right side
    585,965.40x = 125,455,250,736.54
  5. Step 5: Solve for x
    x = 125,455,250,736.54/585,965.40
  6. Step 6: Final answer
    x = 214,100.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.