Home / 1,270,809.40-1,753,729.14-697,861.56

Finding the Fourth Proportional to 1,270,809.40, 1,753,729.14 and 697,861.56

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Solution

The fourth proportional to 1,270,809.40, 1,753,729.14 and 697,861.56 is: 963,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,809.40 : 1,753,729.14 = 697,861.56 : x
  2. Step 2: Convert to fraction form
    1,270,809.40/1,753,729.14 = 697,861.56/x
  3. Step 3: Cross multiply
    1,270,809.40x = 1,753,729.14 × 697,861.56
  4. Step 4: Simplify right side
    1,270,809.40x = 1,223,860,153,457.86
  5. Step 5: Solve for x
    x = 1,223,860,153,457.86/1,270,809.40
  6. Step 6: Final answer
    x = 963,055.63

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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.