Home / 738,780.19-1,108,170.59-177,814.69

Finding the Fourth Proportional to 738,780.19, 1,108,170.59 and 177,814.69

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Solution

The fourth proportional to 738,780.19, 1,108,170.59 and 177,814.69 is: 266,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,780.19 : 1,108,170.59 = 177,814.69 : x
  2. Step 2: Convert to fraction form
    738,780.19/1,108,170.59 = 177,814.69/x
  3. Step 3: Cross multiply
    738,780.19x = 1,108,170.59 × 177,814.69
  4. Step 4: Simplify right side
    738,780.19x = 197,049,009,927.97
  5. Step 5: Solve for x
    x = 197,049,009,927.97/738,780.19
  6. Step 6: Final answer
    x = 266,722.11

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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.