Home / 1,278,524.64-1,764,373.65-697,752.21

Finding the Fourth Proportional to 1,278,524.64, 1,764,373.65 and 697,752.21

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Solution

The fourth proportional to 1,278,524.64, 1,764,373.65 and 697,752.21 is: 962,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,524.64 : 1,764,373.65 = 697,752.21 : x
  2. Step 2: Convert to fraction form
    1,278,524.64/1,764,373.65 = 697,752.21/x
  3. Step 3: Cross multiply
    1,278,524.64x = 1,764,373.65 × 697,752.21
  4. Step 4: Simplify right side
    1,278,524.64x = 1,231,095,613,553.27
  5. Step 5: Solve for x
    x = 1,231,095,613,553.27/1,278,524.64
  6. Step 6: Final answer
    x = 962,903.31

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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.