Home / 1,015,806.72-1,401,719.04-563,059.20

Finding the Fourth Proportional to 1,015,806.72, 1,401,719.04 and 563,059.20

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Solution

The fourth proportional to 1,015,806.72, 1,401,719.04 and 563,059.20 is: 776,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,806.72 : 1,401,719.04 = 563,059.20 : x
  2. Step 2: Convert to fraction form
    1,015,806.72/1,401,719.04 = 563,059.20/x
  3. Step 3: Cross multiply
    1,015,806.72x = 1,401,719.04 × 563,059.20
  4. Step 4: Simplify right side
    1,015,806.72x = 789,250,801,287.17
  5. Step 5: Solve for x
    x = 789,250,801,287.17/1,015,806.72
  6. Step 6: Final answer
    x = 776,969.46

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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.