Home / 1,500,766.36-2,071,057.14-812,437.71

Finding the Fourth Proportional to 1,500,766.36, 2,071,057.14 and 812,437.71

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Solution

The fourth proportional to 1,500,766.36, 2,071,057.14 and 812,437.71 is: 1,121,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,766.36 : 2,071,057.14 = 812,437.71 : x
  2. Step 2: Convert to fraction form
    1,500,766.36/2,071,057.14 = 812,437.71/x
  3. Step 3: Cross multiply
    1,500,766.36x = 2,071,057.14 × 812,437.71
  4. Step 4: Simplify right side
    1,500,766.36x = 1,682,604,912,334.29
  5. Step 5: Solve for x
    x = 1,682,604,912,334.29/1,500,766.36
  6. Step 6: Final answer
    x = 1,121,163.80

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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.