Home / 533,997.93-736,915.23-288,982.20

Finding the Fourth Proportional to 533,997.93, 736,915.23 and 288,982.20

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Solution

The fourth proportional to 533,997.93, 736,915.23 and 288,982.20 is: 398,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,997.93 : 736,915.23 = 288,982.20 : x
  2. Step 2: Convert to fraction form
    533,997.93/736,915.23 = 288,982.20/x
  3. Step 3: Cross multiply
    533,997.93x = 736,915.23 × 288,982.20
  4. Step 4: Simplify right side
    533,997.93x = 212,955,384,378.91
  5. Step 5: Solve for x
    x = 212,955,384,378.91/533,997.93
  6. Step 6: Final answer
    x = 398,794.40

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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.