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Finding the Fourth Proportional to 1,738,875.33, 2,609,063.87 and 940,719.15

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Solution

The fourth proportional to 1,738,875.33, 2,609,063.87 and 940,719.15 is: 1,411,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,875.33 : 2,609,063.87 = 940,719.15 : x
  2. Step 2: Convert to fraction form
    1,738,875.33/2,609,063.87 = 940,719.15/x
  3. Step 3: Cross multiply
    1,738,875.33x = 2,609,063.87 × 940,719.15
  4. Step 4: Simplify right side
    1,738,875.33x = 2,454,396,341,378.52
  5. Step 5: Solve for x
    x = 2,454,396,341,378.52/1,738,875.33
  6. Step 6: Final answer
    x = 1,411,484.94

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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.