Home / 1,228,450.72-1,695,263.61-684,574.57

Finding the Fourth Proportional to 1,228,450.72, 1,695,263.61 and 684,574.57

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Solution

The fourth proportional to 1,228,450.72, 1,695,263.61 and 684,574.57 is: 944,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,450.72 : 1,695,263.61 = 684,574.57 : x
  2. Step 2: Convert to fraction form
    1,228,450.72/1,695,263.61 = 684,574.57/x
  3. Step 3: Cross multiply
    1,228,450.72x = 1,695,263.61 × 684,574.57
  4. Step 4: Simplify right side
    1,228,450.72x = 1,160,534,351,330.66
  5. Step 5: Solve for x
    x = 1,160,534,351,330.66/1,228,450.72
  6. Step 6: Final answer
    x = 944,713.80

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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.