Home / 1,290,843.40-1,936,005.90-616,923.40

Finding the Fourth Proportional to 1,290,843.40, 1,936,005.90 and 616,923.40

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Solution

The fourth proportional to 1,290,843.40, 1,936,005.90 and 616,923.40 is: 925,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,843.40 : 1,936,005.90 = 616,923.40 : x
  2. Step 2: Convert to fraction form
    1,290,843.40/1,936,005.90 = 616,923.40/x
  3. Step 3: Cross multiply
    1,290,843.40x = 1,936,005.90 × 616,923.40
  4. Step 4: Simplify right side
    1,290,843.40x = 1,194,367,342,248.06
  5. Step 5: Solve for x
    x = 1,194,367,342,248.06/1,290,843.40
  6. Step 6: Final answer
    x = 925,261.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.