Home / 891,906.55-1,230,831.87-509,941.33

Finding the Fourth Proportional to 891,906.55, 1,230,831.87 and 509,941.33

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Solution

The fourth proportional to 891,906.55, 1,230,831.87 and 509,941.33 is: 703,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,906.55 : 1,230,831.87 = 509,941.33 : x
  2. Step 2: Convert to fraction form
    891,906.55/1,230,831.87 = 509,941.33/x
  3. Step 3: Cross multiply
    891,906.55x = 1,230,831.87 × 509,941.33
  4. Step 4: Simplify right side
    891,906.55x = 627,652,034,640.03
  5. Step 5: Solve for x
    x = 627,652,034,640.03/891,906.55
  6. Step 6: Final answer
    x = 703,719.51

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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.