Home / 849,839.61-1,172,863.38-634,606.01

Finding the Fourth Proportional to 849,839.61, 1,172,863.38 and 634,606.01

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Solution

The fourth proportional to 849,839.61, 1,172,863.38 and 634,606.01 is: 875,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,839.61 : 1,172,863.38 = 634,606.01 : x
  2. Step 2: Convert to fraction form
    849,839.61/1,172,863.38 = 634,606.01/x
  3. Step 3: Cross multiply
    849,839.61x = 1,172,863.38 × 634,606.01
  4. Step 4: Simplify right side
    849,839.61x = 744,306,150,770.61
  5. Step 5: Solve for x
    x = 744,306,150,770.61/849,839.61
  6. Step 6: Final answer
    x = 875,819.55

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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.