Home / 1,247,756.58-1,721,983.80-703,693.85

Finding the Fourth Proportional to 1,247,756.58, 1,721,983.80 and 703,693.85

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Solution

The fourth proportional to 1,247,756.58, 1,721,983.80 and 703,693.85 is: 971,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,756.58 : 1,721,983.80 = 703,693.85 : x
  2. Step 2: Convert to fraction form
    1,247,756.58/1,721,983.80 = 703,693.85/x
  3. Step 3: Cross multiply
    1,247,756.58x = 1,721,983.80 × 703,693.85
  4. Step 4: Simplify right side
    1,247,756.58x = 1,211,749,414,164.59
  5. Step 5: Solve for x
    x = 1,211,749,414,164.59/1,247,756.58
  6. Step 6: Final answer
    x = 971,142.48

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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.