Home / 522,829.02-784,724.49-323,538.78

Finding the Fourth Proportional to 522,829.02, 784,724.49 and 323,538.78

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Solution

The fourth proportional to 522,829.02, 784,724.49 and 323,538.78 is: 485,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,829.02 : 784,724.49 = 323,538.78 : x
  2. Step 2: Convert to fraction form
    522,829.02/784,724.49 = 323,538.78/x
  3. Step 3: Cross multiply
    522,829.02x = 784,724.49 × 323,538.78
  4. Step 4: Simplify right side
    522,829.02x = 253,888,804,130.72
  5. Step 5: Solve for x
    x = 253,888,804,130.72/522,829.02
  6. Step 6: Final answer
    x = 485,605.80

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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.