Home / 1,238,018.55-1,708,443.94-694,152.65

Finding the Fourth Proportional to 1,238,018.55, 1,708,443.94 and 694,152.65

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Solution

The fourth proportional to 1,238,018.55, 1,708,443.94 and 694,152.65 is: 957,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,018.55 : 1,708,443.94 = 694,152.65 : x
  2. Step 2: Convert to fraction form
    1,238,018.55/1,708,443.94 = 694,152.65/x
  3. Step 3: Cross multiply
    1,238,018.55x = 1,708,443.94 × 694,152.65
  4. Step 4: Simplify right side
    1,238,018.55x = 1,185,920,888,327.44
  5. Step 5: Solve for x
    x = 1,185,920,888,327.44/1,238,018.55
  6. Step 6: Final answer
    x = 957,918.51

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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.