Home / 808,831.60-1,213,247.40-622,207.60

Finding the Fourth Proportional to 808,831.60, 1,213,247.40 and 622,207.60

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Solution

The fourth proportional to 808,831.60, 1,213,247.40 and 622,207.60 is: 933,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,831.60 : 1,213,247.40 = 622,207.60 : x
  2. Step 2: Convert to fraction form
    808,831.60/1,213,247.40 = 622,207.60/x
  3. Step 3: Cross multiply
    808,831.60x = 1,213,247.40 × 622,207.60
  4. Step 4: Simplify right side
    808,831.60x = 754,891,752,960.24
  5. Step 5: Solve for x
    x = 754,891,752,960.24/808,831.60
  6. Step 6: Final answer
    x = 933,311.40

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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.