Home / 1,267,321.96-1,748,837.46-723,436.12

Finding the Fourth Proportional to 1,267,321.96, 1,748,837.46 and 723,436.12

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Solution

The fourth proportional to 1,267,321.96, 1,748,837.46 and 723,436.12 is: 998,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,321.96 : 1,748,837.46 = 723,436.12 : x
  2. Step 2: Convert to fraction form
    1,267,321.96/1,748,837.46 = 723,436.12/x
  3. Step 3: Cross multiply
    1,267,321.96x = 1,748,837.46 × 723,436.12
  4. Step 4: Simplify right side
    1,267,321.96x = 1,265,172,186,573.06
  5. Step 5: Solve for x
    x = 1,265,172,186,573.06/1,267,321.96
  6. Step 6: Final answer
    x = 998,303.69

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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.