Home / 1,228,446.80-1,695,258.22-684,570.66

Finding the Fourth Proportional to 1,228,446.80, 1,695,258.22 and 684,570.66

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Solution

The fourth proportional to 1,228,446.80, 1,695,258.22 and 684,570.66 is: 944,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,446.80 : 1,695,258.22 = 684,570.66 : x
  2. Step 2: Convert to fraction form
    1,228,446.80/1,695,258.22 = 684,570.66/x
  3. Step 3: Cross multiply
    1,228,446.80x = 1,695,258.22 × 684,570.66
  4. Step 4: Simplify right side
    1,228,446.80x = 1,160,524,038,535.83
  5. Step 5: Solve for x
    x = 1,160,524,038,535.83/1,228,446.80
  6. Step 6: Final answer
    x = 944,708.42

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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.