Home / 1,253,083.16-1,729,236.12-709,322.06

Finding the Fourth Proportional to 1,253,083.16, 1,729,236.12 and 709,322.06

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Solution

The fourth proportional to 1,253,083.16, 1,729,236.12 and 709,322.06 is: 978,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,083.16 : 1,729,236.12 = 709,322.06 : x
  2. Step 2: Convert to fraction form
    1,253,083.16/1,729,236.12 = 709,322.06/x
  3. Step 3: Cross multiply
    1,253,083.16x = 1,729,236.12 × 709,322.06
  4. Step 4: Simplify right side
    1,253,083.16x = 1,226,585,326,864.81
  5. Step 5: Solve for x
    x = 1,226,585,326,864.81/1,253,083.16
  6. Step 6: Final answer
    x = 978,853.89

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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.