Home / 783,561.60-1,081,546.02-511,672.01

Finding the Fourth Proportional to 783,561.60, 1,081,546.02 and 511,672.01

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Solution

The fourth proportional to 783,561.60, 1,081,546.02 and 511,672.01 is: 706,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,561.60 : 1,081,546.02 = 511,672.01 : x
  2. Step 2: Convert to fraction form
    783,561.60/1,081,546.02 = 511,672.01/x
  3. Step 3: Cross multiply
    783,561.60x = 1,081,546.02 × 511,672.01
  4. Step 4: Simplify right side
    783,561.60x = 553,396,820,553.17
  5. Step 5: Solve for x
    x = 553,396,820,553.17/783,561.60
  6. Step 6: Final answer
    x = 706,258.22

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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.