Home / 341,736.40-512,086.20-288,859.60

Finding the Fourth Proportional to 341,736.40, 512,086.20 and 288,859.60

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Solution

The fourth proportional to 341,736.40, 512,086.20 and 288,859.60 is: 432,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,736.40 : 512,086.20 = 288,859.60 : x
  2. Step 2: Convert to fraction form
    341,736.40/512,086.20 = 288,859.60/x
  3. Step 3: Cross multiply
    341,736.40x = 512,086.20 × 288,859.60
  4. Step 4: Simplify right side
    341,736.40x = 147,921,014,897.52
  5. Step 5: Solve for x
    x = 147,921,014,897.52/341,736.40
  6. Step 6: Final answer
    x = 432,851.21

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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.