Home / 856,396.02-1,181,731.10-474,327.12

Finding the Fourth Proportional to 856,396.02, 1,181,731.10 and 474,327.12

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Solution

The fourth proportional to 856,396.02, 1,181,731.10 and 474,327.12 is: 654,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,396.02 : 1,181,731.10 = 474,327.12 : x
  2. Step 2: Convert to fraction form
    856,396.02/1,181,731.10 = 474,327.12/x
  3. Step 3: Cross multiply
    856,396.02x = 1,181,731.10 × 474,327.12
  4. Step 4: Simplify right side
    856,396.02x = 560,527,109,277.43
  5. Step 5: Solve for x
    x = 560,527,109,277.43/856,396.02
  6. Step 6: Final answer
    x = 654,518.58

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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.