Home / 905,803.32-1,248,855.66-566,147.64

Finding the Fourth Proportional to 905,803.32, 1,248,855.66 and 566,147.64

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Solution

The fourth proportional to 905,803.32, 1,248,855.66 and 566,147.64 is: 780,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,803.32 : 1,248,855.66 = 566,147.64 : x
  2. Step 2: Convert to fraction form
    905,803.32/1,248,855.66 = 566,147.64/x
  3. Step 3: Cross multiply
    905,803.32x = 1,248,855.66 × 566,147.64
  4. Step 4: Simplify right side
    905,803.32x = 707,036,684,609.64
  5. Step 5: Solve for x
    x = 707,036,684,609.64/905,803.32
  6. Step 6: Final answer
    x = 780,563.14

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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.