Home / 1,312,694.25-1,811,519.69-709,082.25

Finding the Fourth Proportional to 1,312,694.25, 1,811,519.69 and 709,082.25

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Solution

The fourth proportional to 1,312,694.25, 1,811,519.69 and 709,082.25 is: 978,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,694.25 : 1,811,519.69 = 709,082.25 : x
  2. Step 2: Convert to fraction form
    1,312,694.25/1,811,519.69 = 709,082.25/x
  3. Step 3: Cross multiply
    1,312,694.25x = 1,811,519.69 × 709,082.25
  4. Step 4: Simplify right side
    1,312,694.25x = 1,284,516,454,159.09
  5. Step 5: Solve for x
    x = 1,284,516,454,159.09/1,312,694.25
  6. Step 6: Final answer
    x = 978,534.38

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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.