Home / 1,778,905.60-2,667,436.80-656,396.80

Finding the Fourth Proportional to 1,778,905.60, 2,667,436.80 and 656,396.80

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Solution

The fourth proportional to 1,778,905.60, 2,667,436.80 and 656,396.80 is: 984,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,905.60 : 2,667,436.80 = 656,396.80 : x
  2. Step 2: Convert to fraction form
    1,778,905.60/2,667,436.80 = 656,396.80/x
  3. Step 3: Cross multiply
    1,778,905.60x = 2,667,436.80 × 656,396.80
  4. Step 4: Simplify right side
    1,778,905.60x = 1,750,896,979,722.24
  5. Step 5: Solve for x
    x = 1,750,896,979,722.24/1,778,905.60
  6. Step 6: Final answer
    x = 984,255.14

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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.