Home / 540,736.38-811,592.10-288,227.19

Finding the Fourth Proportional to 540,736.38, 811,592.10 and 288,227.19

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Solution

The fourth proportional to 540,736.38, 811,592.10 and 288,227.19 is: 432,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,736.38 : 811,592.10 = 288,227.19 : x
  2. Step 2: Convert to fraction form
    540,736.38/811,592.10 = 288,227.19/x
  3. Step 3: Cross multiply
    540,736.38x = 811,592.10 × 288,227.19
  4. Step 4: Simplify right side
    540,736.38x = 233,922,910,409.20
  5. Step 5: Solve for x
    x = 233,922,910,409.20/540,736.38
  6. Step 6: Final answer
    x = 432,600.65

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1.5x scale

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.