Home / 1,118,894.32-1,544,020.50-635,395.60

Finding the Fourth Proportional to 1,118,894.32, 1,544,020.50 and 635,395.60

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Solution

The fourth proportional to 1,118,894.32, 1,544,020.50 and 635,395.60 is: 876,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,894.32 : 1,544,020.50 = 635,395.60 : x
  2. Step 2: Convert to fraction form
    1,118,894.32/1,544,020.50 = 635,395.60/x
  3. Step 3: Cross multiply
    1,118,894.32x = 1,544,020.50 × 635,395.60
  4. Step 4: Simplify right side
    1,118,894.32x = 981,063,832,009.80
  5. Step 5: Solve for x
    x = 981,063,832,009.80/1,118,894.32
  6. Step 6: Final answer
    x = 876,815.45

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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.