Home / 1,232,499.12-1,700,844.12-688,684.56

Finding the Fourth Proportional to 1,232,499.12, 1,700,844.12 and 688,684.56

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Solution

The fourth proportional to 1,232,499.12, 1,700,844.12 and 688,684.56 is: 950,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,499.12 : 1,700,844.12 = 688,684.56 : x
  2. Step 2: Convert to fraction form
    1,232,499.12/1,700,844.12 = 688,684.56/x
  3. Step 3: Cross multiply
    1,232,499.12x = 1,700,844.12 × 688,684.56
  4. Step 4: Simplify right side
    1,232,499.12x = 1,171,345,084,410.79
  5. Step 5: Solve for x
    x = 1,171,345,084,410.79/1,232,499.12
  6. Step 6: Final answer
    x = 950,382.09

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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.