Home / 1,590,054.25-2,194,332.60-911,121.97

Finding the Fourth Proportional to 1,590,054.25, 2,194,332.60 and 911,121.97

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Solution

The fourth proportional to 1,590,054.25, 2,194,332.60 and 911,121.97 is: 1,257,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,054.25 : 2,194,332.60 = 911,121.97 : x
  2. Step 2: Convert to fraction form
    1,590,054.25/2,194,332.60 = 911,121.97/x
  3. Step 3: Cross multiply
    1,590,054.25x = 2,194,332.60 × 911,121.97
  4. Step 4: Simplify right side
    1,590,054.25x = 1,999,304,640,829.94
  5. Step 5: Solve for x
    x = 1,999,304,640,829.94/1,590,054.25
  6. Step 6: Final answer
    x = 1,257,381.40

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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.