Home / 1,637,660.56-2,259,903.72-912,470.80

Finding the Fourth Proportional to 1,637,660.56, 2,259,903.72 and 912,470.80

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Solution

The fourth proportional to 1,637,660.56, 2,259,903.72 and 912,470.80 is: 1,259,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,660.56 : 2,259,903.72 = 912,470.80 : x
  2. Step 2: Convert to fraction form
    1,637,660.56/2,259,903.72 = 912,470.80/x
  3. Step 3: Cross multiply
    1,637,660.56x = 2,259,903.72 × 912,470.80
  4. Step 4: Simplify right side
    1,637,660.56x = 2,062,096,155,311.38
  5. Step 5: Solve for x
    x = 2,062,096,155,311.38/1,637,660.56
  6. Step 6: Final answer
    x = 1,259,171.90

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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.