Home / 1,270,808.40-1,753,727.76-697,860.56

Finding the Fourth Proportional to 1,270,808.40, 1,753,727.76 and 697,860.56

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Solution

The fourth proportional to 1,270,808.40, 1,753,727.76 and 697,860.56 is: 963,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,808.40 : 1,753,727.76 = 697,860.56 : x
  2. Step 2: Convert to fraction form
    1,270,808.40/1,753,727.76 = 697,860.56/x
  3. Step 3: Cross multiply
    1,270,808.40x = 1,753,727.76 × 697,860.56
  4. Step 4: Simplify right side
    1,270,808.40x = 1,223,857,436,681.15
  5. Step 5: Solve for x
    x = 1,223,857,436,681.15/1,270,808.40
  6. Step 6: Final answer
    x = 963,054.25

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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.