Home / 533,983.26-736,891.27-288,962.65

Finding the Fourth Proportional to 533,983.26, 736,891.27 and 288,962.65

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Solution

The fourth proportional to 533,983.26, 736,891.27 and 288,962.65 is: 398,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,983.26 : 736,891.27 = 288,962.65 : x
  2. Step 2: Convert to fraction form
    533,983.26/736,891.27 = 288,962.65/x
  3. Step 3: Cross multiply
    533,983.26x = 736,891.27 × 288,962.65
  4. Step 4: Simplify right side
    533,983.26x = 212,934,054,141.07
  5. Step 5: Solve for x
    x = 212,934,054,141.07/533,983.26
  6. Step 6: Final answer
    x = 398,765.41

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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.