Home / 1,232,062.56-1,700,227.92-688,208.16

Finding the Fourth Proportional to 1,232,062.56, 1,700,227.92 and 688,208.16

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Solution

The fourth proportional to 1,232,062.56, 1,700,227.92 and 688,208.16 is: 949,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,062.56 : 1,700,227.92 = 688,208.16 : x
  2. Step 2: Convert to fraction form
    1,232,062.56/1,700,227.92 = 688,208.16/x
  3. Step 3: Cross multiply
    1,232,062.56x = 1,700,227.92 × 688,208.16
  4. Step 4: Simplify right side
    1,232,062.56x = 1,170,110,728,403.83
  5. Step 5: Solve for x
    x = 1,170,110,728,403.83/1,232,062.56
  6. Step 6: Final answer
    x = 949,716.98

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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.