Home / 545,831.20-818,746.80-171,805.60

Finding the Fourth Proportional to 545,831.20, 818,746.80 and 171,805.60

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Solution

The fourth proportional to 545,831.20, 818,746.80 and 171,805.60 is: 257,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,831.20 : 818,746.80 = 171,805.60 : x
  2. Step 2: Convert to fraction form
    545,831.20/818,746.80 = 171,805.60/x
  3. Step 3: Cross multiply
    545,831.20x = 818,746.80 × 171,805.60
  4. Step 4: Simplify right side
    545,831.20x = 140,665,285,222.08
  5. Step 5: Solve for x
    x = 140,665,285,222.08/545,831.20
  6. Step 6: Final answer
    x = 257,708.40

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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.