Home / 1,015,623-1,401,605.46-580,078.20

Finding the Fourth Proportional to 1,015,623, 1,401,605.46 and 580,078.20

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Solution

The fourth proportional to 1,015,623, 1,401,605.46 and 580,078.20 is: 800,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,623 : 1,401,605.46 = 580,078.20 : x
  2. Step 2: Convert to fraction form
    1,015,623/1,401,605.46 = 580,078.20/x
  3. Step 3: Cross multiply
    1,015,623x = 1,401,605.46 × 580,078.20
  4. Step 4: Simplify right side
    1,015,623x = 813,040,772,346.97
  5. Step 5: Solve for x
    x = 813,040,772,346.97/1,015,623
  6. Step 6: Final answer
    x = 800,534.03

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1.5x scale

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.