Home / 856,078.81-1,181,401.14-493,496.08

Finding the Fourth Proportional to 856,078.81, 1,181,401.14 and 493,496.08

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Solution

The fourth proportional to 856,078.81, 1,181,401.14 and 493,496.08 is: 681,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,078.81 : 1,181,401.14 = 493,496.08 : x
  2. Step 2: Convert to fraction form
    856,078.81/1,181,401.14 = 493,496.08/x
  3. Step 3: Cross multiply
    856,078.81x = 1,181,401.14 × 493,496.08
  4. Step 4: Simplify right side
    856,078.81x = 583,016,831,497.53
  5. Step 5: Solve for x
    x = 583,016,831,497.53/856,078.81
  6. Step 6: Final answer
    x = 681,031.73

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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.