Home / 524,208.79-784,979.10-346,449.43

Finding the Fourth Proportional to 524,208.79, 784,979.10 and 346,449.43

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Solution

The fourth proportional to 524,208.79, 784,979.10 and 346,449.43 is: 518,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,208.79 : 784,979.10 = 346,449.43 : x
  2. Step 2: Convert to fraction form
    524,208.79/784,979.10 = 346,449.43/x
  3. Step 3: Cross multiply
    524,208.79x = 784,979.10 × 346,449.43
  4. Step 4: Simplify right side
    524,208.79x = 271,955,561,756.91
  5. Step 5: Solve for x
    x = 271,955,561,756.91/524,208.79
  6. Step 6: Final answer
    x = 518,792.45

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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.