Home / 1,279,251-1,918,886.22-437,810.04

Finding the Fourth Proportional to 1,279,251, 1,918,886.22 and 437,810.04

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Solution

The fourth proportional to 1,279,251, 1,918,886.22 and 437,810.04 is: 656,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,251 : 1,918,886.22 = 437,810.04 : x
  2. Step 2: Convert to fraction form
    1,279,251/1,918,886.22 = 437,810.04/x
  3. Step 3: Cross multiply
    1,279,251x = 1,918,886.22 × 437,810.04
  4. Step 4: Simplify right side
    1,279,251x = 840,107,652,733.65
  5. Step 5: Solve for x
    x = 840,107,652,733.65/1,279,251
  6. Step 6: Final answer
    x = 656,718.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.