Home / 891,906.27-1,230,831.48-509,941.05

Finding the Fourth Proportional to 891,906.27, 1,230,831.48 and 509,941.05

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Solution

The fourth proportional to 891,906.27, 1,230,831.48 and 509,941.05 is: 703,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,906.27 : 1,230,831.48 = 509,941.05 : x
  2. Step 2: Convert to fraction form
    891,906.27/1,230,831.48 = 509,941.05/x
  3. Step 3: Cross multiply
    891,906.27x = 1,230,831.48 × 509,941.05
  4. Step 4: Simplify right side
    891,906.27x = 627,651,491,130.10
  5. Step 5: Solve for x
    x = 627,651,491,130.10/891,906.27
  6. Step 6: Final answer
    x = 703,719.12

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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.