Home / 626,285.39-939,489.57-177,009.71

Finding the Fourth Proportional to 626,285.39, 939,489.57 and 177,009.71

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Solution

The fourth proportional to 626,285.39, 939,489.57 and 177,009.71 is: 265,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,285.39 : 939,489.57 = 177,009.71 : x
  2. Step 2: Convert to fraction form
    626,285.39/939,489.57 = 177,009.71/x
  3. Step 3: Cross multiply
    626,285.39x = 939,489.57 × 177,009.71
  4. Step 4: Simplify right side
    626,285.39x = 166,298,776,333.73
  5. Step 5: Solve for x
    x = 166,298,776,333.73/626,285.39
  6. Step 6: Final answer
    x = 265,531.94

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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.