Home / 1,235,807.36-1,705,017.84-691,863.20

Finding the Fourth Proportional to 1,235,807.36, 1,705,017.84 and 691,863.20

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Solution

The fourth proportional to 1,235,807.36, 1,705,017.84 and 691,863.20 is: 954,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,807.36 : 1,705,017.84 = 691,863.20 : x
  2. Step 2: Convert to fraction form
    1,235,807.36/1,705,017.84 = 691,863.20/x
  3. Step 3: Cross multiply
    1,235,807.36x = 1,705,017.84 × 691,863.20
  4. Step 4: Simplify right side
    1,235,807.36x = 1,179,639,098,839.49
  5. Step 5: Solve for x
    x = 1,179,639,098,839.49/1,235,807.36
  6. Step 6: Final answer
    x = 954,549.34

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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.