Home / 531,623.59-733,658.27-289,919.35

Finding the Fourth Proportional to 531,623.59, 733,658.27 and 289,919.35

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Solution

The fourth proportional to 531,623.59, 733,658.27 and 289,919.35 is: 400,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,623.59 : 733,658.27 = 289,919.35 : x
  2. Step 2: Convert to fraction form
    531,623.59/733,658.27 = 289,919.35/x
  3. Step 3: Cross multiply
    531,623.59x = 733,658.27 × 289,919.35
  4. Step 4: Simplify right side
    531,623.59x = 212,701,728,760.52
  5. Step 5: Solve for x
    x = 212,701,728,760.52/531,623.59
  6. Step 6: Final answer
    x = 400,098.36

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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.