Home / 1,452,980.65-2,179,472.73-694,643.80

Finding the Fourth Proportional to 1,452,980.65, 2,179,472.73 and 694,643.80

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Solution

The fourth proportional to 1,452,980.65, 2,179,472.73 and 694,643.80 is: 1,041,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,980.65 : 2,179,472.73 = 694,643.80 : x
  2. Step 2: Convert to fraction form
    1,452,980.65/2,179,472.73 = 694,643.80/x
  3. Step 3: Cross multiply
    1,452,980.65x = 2,179,472.73 × 694,643.80
  4. Step 4: Simplify right side
    1,452,980.65x = 1,513,957,219,163.57
  5. Step 5: Solve for x
    x = 1,513,957,219,163.57/1,452,980.65
  6. Step 6: Final answer
    x = 1,041,966.54

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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.