Home / 1,270,808.90-1,753,728.45-697,861.06

Finding the Fourth Proportional to 1,270,808.90, 1,753,728.45 and 697,861.06

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Solution

The fourth proportional to 1,270,808.90, 1,753,728.45 and 697,861.06 is: 963,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,808.90 : 1,753,728.45 = 697,861.06 : x
  2. Step 2: Convert to fraction form
    1,270,808.90/1,753,728.45 = 697,861.06/x
  3. Step 3: Cross multiply
    1,270,808.90x = 1,753,728.45 × 697,861.06
  4. Step 4: Simplify right side
    1,270,808.90x = 1,223,858,795,069.16
  5. Step 5: Solve for x
    x = 1,223,858,795,069.16/1,270,808.90
  6. Step 6: Final answer
    x = 963,054.94

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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.