Home / 536,831.55-804,656.83-221,116.23

Finding the Fourth Proportional to 536,831.55, 804,656.83 and 221,116.23

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Solution

The fourth proportional to 536,831.55, 804,656.83 and 221,116.23 is: 331,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,831.55 : 804,656.83 = 221,116.23 : x
  2. Step 2: Convert to fraction form
    536,831.55/804,656.83 = 221,116.23/x
  3. Step 3: Cross multiply
    536,831.55x = 804,656.83 × 221,116.23
  4. Step 4: Simplify right side
    536,831.55x = 177,922,679,564.49
  5. Step 5: Solve for x
    x = 177,922,679,564.49/536,831.55
  6. Step 6: Final answer
    x = 331,431.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.