Home / 821,371.59-1,134,602.24-618,952.59

Finding the Fourth Proportional to 821,371.59, 1,134,602.24 and 618,952.59

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Solution

The fourth proportional to 821,371.59, 1,134,602.24 and 618,952.59 is: 854,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,371.59 : 1,134,602.24 = 618,952.59 : x
  2. Step 2: Convert to fraction form
    821,371.59/1,134,602.24 = 618,952.59/x
  3. Step 3: Cross multiply
    821,371.59x = 1,134,602.24 × 618,952.59
  4. Step 4: Simplify right side
    821,371.59x = 702,264,991,973.04
  5. Step 5: Solve for x
    x = 702,264,991,973.04/821,371.59
  6. Step 6: Final answer
    x = 854,990.60

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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.