Home / 1,231,538.09-1,847,839.32-662,253.80

Finding the Fourth Proportional to 1,231,538.09, 1,847,839.32 and 662,253.80

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Solution

The fourth proportional to 1,231,538.09, 1,847,839.32 and 662,253.80 is: 993,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,538.09 : 1,847,839.32 = 662,253.80 : x
  2. Step 2: Convert to fraction form
    1,231,538.09/1,847,839.32 = 662,253.80/x
  3. Step 3: Cross multiply
    1,231,538.09x = 1,847,839.32 × 662,253.80
  4. Step 4: Simplify right side
    1,231,538.09x = 1,223,738,602,220.22
  5. Step 5: Solve for x
    x = 1,223,738,602,220.22/1,231,538.09
  6. Step 6: Final answer
    x = 993,666.88

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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.