Home / 1,015,875.22-1,401,909.78-563,166.22

Finding the Fourth Proportional to 1,015,875.22, 1,401,909.78 and 563,166.22

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Solution

The fourth proportional to 1,015,875.22, 1,401,909.78 and 563,166.22 is: 777,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,875.22 : 1,401,909.78 = 563,166.22 : x
  2. Step 2: Convert to fraction form
    1,015,875.22/1,401,909.78 = 563,166.22/x
  3. Step 3: Cross multiply
    1,015,875.22x = 1,401,909.78 × 563,166.22
  4. Step 4: Simplify right side
    1,015,875.22x = 789,508,231,583.63
  5. Step 5: Solve for x
    x = 789,508,231,583.63/1,015,875.22
  6. Step 6: Final answer
    x = 777,170.48

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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.