Home / 531,290.07-733,180.86-289,572.84

Finding the Fourth Proportional to 531,290.07, 733,180.86 and 289,572.84

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Solution

The fourth proportional to 531,290.07, 733,180.86 and 289,572.84 is: 399,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,290.07 : 733,180.86 = 289,572.84 : x
  2. Step 2: Convert to fraction form
    531,290.07/733,180.86 = 289,572.84/x
  3. Step 3: Cross multiply
    531,290.07x = 733,180.86 × 289,572.84
  4. Step 4: Simplify right side
    531,290.07x = 212,309,263,863.84
  5. Step 5: Solve for x
    x = 212,309,263,863.84/531,290.07
  6. Step 6: Final answer
    x = 399,610.83

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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.