Home / 1,530,665.74-2,111,611.96-986,976.17

Finding the Fourth Proportional to 1,530,665.74, 2,111,611.96 and 986,976.17

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Solution

The fourth proportional to 1,530,665.74, 2,111,611.96 and 986,976.17 is: 1,361,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,665.74 : 2,111,611.96 = 986,976.17 : x
  2. Step 2: Convert to fraction form
    1,530,665.74/2,111,611.96 = 986,976.17/x
  3. Step 3: Cross multiply
    1,530,665.74x = 2,111,611.96 × 986,976.17
  4. Step 4: Simplify right side
    1,530,665.74x = 2,084,110,687,618.58
  5. Step 5: Solve for x
    x = 2,084,110,687,618.58/1,530,665.74
  6. Step 6: Final answer
    x = 1,361,571.40

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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.