Home / 385,323.20-531,829.12-234,468.80

Finding the Fourth Proportional to 385,323.20, 531,829.12 and 234,468.80

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Solution

The fourth proportional to 385,323.20, 531,829.12 and 234,468.80 is: 323,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,323.20 : 531,829.12 = 234,468.80 : x
  2. Step 2: Convert to fraction form
    385,323.20/531,829.12 = 234,468.80/x
  3. Step 3: Cross multiply
    385,323.20x = 531,829.12 × 234,468.80
  4. Step 4: Simplify right side
    385,323.20x = 124,697,335,571.46
  5. Step 5: Solve for x
    x = 124,697,335,571.46/385,323.20
  6. Step 6: Final answer
    x = 323,617.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.