Home / 531,233.12-733,080.36-289,510.52

Finding the Fourth Proportional to 531,233.12, 733,080.36 and 289,510.52

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Solution

The fourth proportional to 531,233.12, 733,080.36 and 289,510.52 is: 399,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,233.12 : 733,080.36 = 289,510.52 : x
  2. Step 2: Convert to fraction form
    531,233.12/733,080.36 = 289,510.52/x
  3. Step 3: Cross multiply
    531,233.12x = 733,080.36 × 289,510.52
  4. Step 4: Simplify right side
    531,233.12x = 212,234,476,225.39
  5. Step 5: Solve for x
    x = 212,234,476,225.39/531,233.12
  6. Step 6: Final answer
    x = 399,512.88

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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.