Home / 1,252,305.20-1,728,184.50-679,345.37

Finding the Fourth Proportional to 1,252,305.20, 1,728,184.50 and 679,345.37

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Solution

The fourth proportional to 1,252,305.20, 1,728,184.50 and 679,345.37 is: 937,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,305.20 : 1,728,184.50 = 679,345.37 : x
  2. Step 2: Convert to fraction form
    1,252,305.20/1,728,184.50 = 679,345.37/x
  3. Step 3: Cross multiply
    1,252,305.20x = 1,728,184.50 × 679,345.37
  4. Step 4: Simplify right side
    1,252,305.20x = 1,174,034,127,392.30
  5. Step 5: Solve for x
    x = 1,174,034,127,392.30/1,252,305.20
  6. Step 6: Final answer
    x = 937,498.41

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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.