Home / 1,001,964.72-1,382,716.44-543,079.92

Finding the Fourth Proportional to 1,001,964.72, 1,382,716.44 and 543,079.92

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Solution

The fourth proportional to 1,001,964.72, 1,382,716.44 and 543,079.92 is: 749,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,964.72 : 1,382,716.44 = 543,079.92 : x
  2. Step 2: Convert to fraction form
    1,001,964.72/1,382,716.44 = 543,079.92/x
  3. Step 3: Cross multiply
    1,001,964.72x = 1,382,716.44 × 543,079.92
  4. Step 4: Simplify right side
    1,001,964.72x = 750,925,533,617.89
  5. Step 5: Solve for x
    x = 750,925,533,617.89/1,001,964.72
  6. Step 6: Final answer
    x = 749,453.07

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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.