Home / 1,661,363.60-2,292,680.40-897,416.96

Finding the Fourth Proportional to 1,661,363.60, 2,292,680.40 and 897,416.96

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Solution

The fourth proportional to 1,661,363.60, 2,292,680.40 and 897,416.96 is: 1,238,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,363.60 : 2,292,680.40 = 897,416.96 : x
  2. Step 2: Convert to fraction form
    1,661,363.60/2,292,680.40 = 897,416.96/x
  3. Step 3: Cross multiply
    1,661,363.60x = 2,292,680.40 × 897,416.96
  4. Step 4: Simplify right side
    1,661,363.60x = 2,057,490,274,819.58
  5. Step 5: Solve for x
    x = 2,057,490,274,819.58/1,661,363.60
  6. Step 6: Final answer
    x = 1,238,434.67

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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.