Home / 1,577,701.80-2,177,231.40-898,638.30

Finding the Fourth Proportional to 1,577,701.80, 2,177,231.40 and 898,638.30

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Solution

The fourth proportional to 1,577,701.80, 2,177,231.40 and 898,638.30 is: 1,240,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,701.80 : 2,177,231.40 = 898,638.30 : x
  2. Step 2: Convert to fraction form
    1,577,701.80/2,177,231.40 = 898,638.30/x
  3. Step 3: Cross multiply
    1,577,701.80x = 2,177,231.40 × 898,638.30
  4. Step 4: Simplify right side
    1,577,701.80x = 1,956,543,524,002.62
  5. Step 5: Solve for x
    x = 1,956,543,524,002.62/1,577,701.80
  6. Step 6: Final answer
    x = 1,240,122.51

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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.