Home / 1,240,759.32-1,712,169-696,881.04

Finding the Fourth Proportional to 1,240,759.32, 1,712,169 and 696,881.04

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Solution

The fourth proportional to 1,240,759.32, 1,712,169 and 696,881.04 is: 961,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,759.32 : 1,712,169 = 696,881.04 : x
  2. Step 2: Convert to fraction form
    1,240,759.32/1,712,169 = 696,881.04/x
  3. Step 3: Cross multiply
    1,240,759.32x = 1,712,169 × 696,881.04
  4. Step 4: Simplify right side
    1,240,759.32x = 1,193,178,113,375.76
  5. Step 5: Solve for x
    x = 1,193,178,113,375.76/1,240,759.32
  6. Step 6: Final answer
    x = 961,651.54

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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.