Home / 547,816.20-821,868.30-173,838.60

Finding the Fourth Proportional to 547,816.20, 821,868.30 and 173,838.60

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Solution

The fourth proportional to 547,816.20, 821,868.30 and 173,838.60 is: 260,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,816.20 : 821,868.30 = 173,838.60 : x
  2. Step 2: Convert to fraction form
    547,816.20/821,868.30 = 173,838.60/x
  3. Step 3: Cross multiply
    547,816.20x = 821,868.30 × 173,838.60
  4. Step 4: Simplify right side
    547,816.20x = 142,872,434,656.38
  5. Step 5: Solve for x
    x = 142,872,434,656.38/547,816.20
  6. Step 6: Final answer
    x = 260,803.60

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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.