Home / 1,228,679.57-1,695,585.67-684,849.89

Finding the Fourth Proportional to 1,228,679.57, 1,695,585.67 and 684,849.89

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Solution

The fourth proportional to 1,228,679.57, 1,695,585.67 and 684,849.89 is: 945,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,679.57 : 1,695,585.67 = 684,849.89 : x
  2. Step 2: Convert to fraction form
    1,228,679.57/1,695,585.67 = 684,849.89/x
  3. Step 3: Cross multiply
    1,228,679.57x = 1,695,585.67 × 684,849.89
  4. Step 4: Simplify right side
    1,228,679.57x = 1,161,221,662,111.92
  5. Step 5: Solve for x
    x = 1,161,221,662,111.92/1,228,679.57
  6. Step 6: Final answer
    x = 945,097.23

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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.