Home / 1,270,754.06-1,753,642.71-697,830.53

Finding the Fourth Proportional to 1,270,754.06, 1,753,642.71 and 697,830.53

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Solution

The fourth proportional to 1,270,754.06, 1,753,642.71 and 697,830.53 is: 963,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,754.06 : 1,753,642.71 = 697,830.53 : x
  2. Step 2: Convert to fraction form
    1,270,754.06/1,753,642.71 = 697,830.53/x
  3. Step 3: Cross multiply
    1,270,754.06x = 1,753,642.71 × 697,830.53
  4. Step 4: Simplify right side
    1,270,754.06x = 1,223,745,412,981.72
  5. Step 5: Solve for x
    x = 1,223,745,412,981.72/1,270,754.06
  6. Step 6: Final answer
    x = 963,007.29

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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.