Home / 1,203,501.56-1,660,851.78-659,689.52

Finding the Fourth Proportional to 1,203,501.56, 1,660,851.78 and 659,689.52

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Solution

The fourth proportional to 1,203,501.56, 1,660,851.78 and 659,689.52 is: 910,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,501.56 : 1,660,851.78 = 659,689.52 : x
  2. Step 2: Convert to fraction form
    1,203,501.56/1,660,851.78 = 659,689.52/x
  3. Step 3: Cross multiply
    1,203,501.56x = 1,660,851.78 × 659,689.52
  4. Step 4: Simplify right side
    1,203,501.56x = 1,095,646,513,539.35
  5. Step 5: Solve for x
    x = 1,095,646,513,539.35/1,203,501.56
  6. Step 6: Final answer
    x = 910,382.30

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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.