Home / 1,232,326.80-1,700,442.72-688,395.33

Finding the Fourth Proportional to 1,232,326.80, 1,700,442.72 and 688,395.33

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Solution

The fourth proportional to 1,232,326.80, 1,700,442.72 and 688,395.33 is: 949,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,326.80 : 1,700,442.72 = 688,395.33 : x
  2. Step 2: Convert to fraction form
    1,232,326.80/1,700,442.72 = 688,395.33/x
  3. Step 3: Cross multiply
    1,232,326.80x = 1,700,442.72 × 688,395.33
  4. Step 4: Simplify right side
    1,232,326.80x = 1,170,576,827,380.50
  5. Step 5: Solve for x
    x = 1,170,576,827,380.50/1,232,326.80
  6. Step 6: Final answer
    x = 949,891.56

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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.