Home / 1,205,107.04-1,663,195.20-695,808.56

Finding the Fourth Proportional to 1,205,107.04, 1,663,195.20 and 695,808.56

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Solution

The fourth proportional to 1,205,107.04, 1,663,195.20 and 695,808.56 is: 960,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,107.04 : 1,663,195.20 = 695,808.56 : x
  2. Step 2: Convert to fraction form
    1,205,107.04/1,663,195.20 = 695,808.56/x
  3. Step 3: Cross multiply
    1,205,107.04x = 1,663,195.20 × 695,808.56
  4. Step 4: Simplify right side
    1,205,107.04x = 1,157,265,457,110.91
  5. Step 5: Solve for x
    x = 1,157,265,457,110.91/1,205,107.04
  6. Step 6: Final answer
    x = 960,300.97

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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.