Home / 1,149,448.80-1,586,288.56-640,151.20

Finding the Fourth Proportional to 1,149,448.80, 1,586,288.56 and 640,151.20

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Solution

The fourth proportional to 1,149,448.80, 1,586,288.56 and 640,151.20 is: 883,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,448.80 : 1,586,288.56 = 640,151.20 : x
  2. Step 2: Convert to fraction form
    1,149,448.80/1,586,288.56 = 640,151.20/x
  3. Step 3: Cross multiply
    1,149,448.80x = 1,586,288.56 × 640,151.20
  4. Step 4: Simplify right side
    1,149,448.80x = 1,015,464,525,230.27
  5. Step 5: Solve for x
    x = 1,015,464,525,230.27/1,149,448.80
  6. Step 6: Final answer
    x = 883,436.07

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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.