Home / 1,901,169.60-2,852,186.40-639,124.80

Finding the Fourth Proportional to 1,901,169.60, 2,852,186.40 and 639,124.80

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Solution

The fourth proportional to 1,901,169.60, 2,852,186.40 and 639,124.80 is: 958,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,169.60 : 2,852,186.40 = 639,124.80 : x
  2. Step 2: Convert to fraction form
    1,901,169.60/2,852,186.40 = 639,124.80/x
  3. Step 3: Cross multiply
    1,901,169.60x = 2,852,186.40 × 639,124.80
  4. Step 4: Simplify right side
    1,901,169.60x = 1,822,903,062,462.72
  5. Step 5: Solve for x
    x = 1,822,903,062,462.72/1,901,169.60
  6. Step 6: Final answer
    x = 958,832.43

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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.