Home / 1,150,114.24-1,587,205.92-640,816.32

Finding the Fourth Proportional to 1,150,114.24, 1,587,205.92 and 640,816.32

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Solution

The fourth proportional to 1,150,114.24, 1,587,205.92 and 640,816.32 is: 884,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,114.24 : 1,587,205.92 = 640,816.32 : x
  2. Step 2: Convert to fraction form
    1,150,114.24/1,587,205.92 = 640,816.32/x
  3. Step 3: Cross multiply
    1,150,114.24x = 1,587,205.92 × 640,816.32
  4. Step 4: Simplify right side
    1,150,114.24x = 1,017,107,456,736.61
  5. Step 5: Solve for x
    x = 1,017,107,456,736.61/1,150,114.24
  6. Step 6: Final answer
    x = 884,353.42

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Double scale
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1.5x scale

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.