Home / 806,831.20-1,210,246.80-541,410.40

Finding the Fourth Proportional to 806,831.20, 1,210,246.80 and 541,410.40

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Solution

The fourth proportional to 806,831.20, 1,210,246.80 and 541,410.40 is: 812,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,831.20 : 1,210,246.80 = 541,410.40 : x
  2. Step 2: Convert to fraction form
    806,831.20/1,210,246.80 = 541,410.40/x
  3. Step 3: Cross multiply
    806,831.20x = 1,210,246.80 × 541,410.40
  4. Step 4: Simplify right side
    806,831.20x = 655,240,204,086.72
  5. Step 5: Solve for x
    x = 655,240,204,086.72/806,831.20
  6. Step 6: Final answer
    x = 812,115.60

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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.