Home / 477,981.37-716,972.07-178,485.33

Finding the Fourth Proportional to 477,981.37, 716,972.07 and 178,485.33

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Solution

The fourth proportional to 477,981.37, 716,972.07 and 178,485.33 is: 267,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,981.37 : 716,972.07 = 178,485.33 : x
  2. Step 2: Convert to fraction form
    477,981.37/716,972.07 = 178,485.33/x
  3. Step 3: Cross multiply
    477,981.37x = 716,972.07 × 178,485.33
  4. Step 4: Simplify right side
    477,981.37x = 127,968,999,872.70
  5. Step 5: Solve for x
    x = 127,968,999,872.70/477,981.37
  6. Step 6: Final answer
    x = 267,728.01

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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.