Home / 1,230,188.80-1,695,140.94-907,387.60

Finding the Fourth Proportional to 1,230,188.80, 1,695,140.94 and 907,387.60

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Solution

The fourth proportional to 1,230,188.80, 1,695,140.94 and 907,387.60 is: 1,250,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,188.80 : 1,695,140.94 = 907,387.60 : x
  2. Step 2: Convert to fraction form
    1,230,188.80/1,695,140.94 = 907,387.60/x
  3. Step 3: Cross multiply
    1,230,188.80x = 1,695,140.94 × 907,387.60
  4. Step 4: Simplify right side
    1,230,188.80x = 1,538,149,869,208.34
  5. Step 5: Solve for x
    x = 1,538,149,869,208.34/1,230,188.80
  6. Step 6: Final answer
    x = 1,250,336.43

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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.