Home / 1,015,776.75-1,401,787.72-556,933.22

Finding the Fourth Proportional to 1,015,776.75, 1,401,787.72 and 556,933.22

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Solution

The fourth proportional to 1,015,776.75, 1,401,787.72 and 556,933.22 is: 768,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,776.75 : 1,401,787.72 = 556,933.22 : x
  2. Step 2: Convert to fraction form
    1,015,776.75/1,401,787.72 = 556,933.22/x
  3. Step 3: Cross multiply
    1,015,776.75x = 1,401,787.72 × 556,933.22
  4. Step 4: Simplify right side
    1,015,776.75x = 780,702,147,599.99
  5. Step 5: Solve for x
    x = 780,702,147,599.99/1,015,776.75
  6. Step 6: Final answer
    x = 768,576.51

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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.