Home / 810,886.81-1,119,047.17-448,334.09

Finding the Fourth Proportional to 810,886.81, 1,119,047.17 and 448,334.09

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Solution

The fourth proportional to 810,886.81, 1,119,047.17 and 448,334.09 is: 618,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,886.81 : 1,119,047.17 = 448,334.09 : x
  2. Step 2: Convert to fraction form
    810,886.81/1,119,047.17 = 448,334.09/x
  3. Step 3: Cross multiply
    810,886.81x = 1,119,047.17 × 448,334.09
  4. Step 4: Simplify right side
    810,886.81x = 501,706,987,912.95
  5. Step 5: Solve for x
    x = 501,706,987,912.95/810,886.81
  6. Step 6: Final answer
    x = 618,713.96

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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.