Home / 1,243,774.46-1,716,388.65-699,909.95

Finding the Fourth Proportional to 1,243,774.46, 1,716,388.65 and 699,909.95

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Solution

The fourth proportional to 1,243,774.46, 1,716,388.65 and 699,909.95 is: 965,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,774.46 : 1,716,388.65 = 699,909.95 : x
  2. Step 2: Convert to fraction form
    1,243,774.46/1,716,388.65 = 699,909.95/x
  3. Step 3: Cross multiply
    1,243,774.46x = 1,716,388.65 × 699,909.95
  4. Step 4: Simplify right side
    1,243,774.46x = 1,201,317,485,620.12
  5. Step 5: Solve for x
    x = 1,201,317,485,620.12/1,243,774.46
  6. Step 6: Final answer
    x = 965,864.41

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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.