Home / 531,178.41-733,025.07-289,460.40

Finding the Fourth Proportional to 531,178.41, 733,025.07 and 289,460.40

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Solution

The fourth proportional to 531,178.41, 733,025.07 and 289,460.40 is: 399,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,178.41 : 733,025.07 = 289,460.40 : x
  2. Step 2: Convert to fraction form
    531,178.41/733,025.07 = 289,460.40/x
  3. Step 3: Cross multiply
    531,178.41x = 733,025.07 × 289,460.40
  4. Step 4: Simplify right side
    531,178.41x = 212,181,729,972.23
  5. Step 5: Solve for x
    x = 212,181,729,972.23/531,178.41
  6. Step 6: Final answer
    x = 399,454.73

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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.