Home / 522,926.10-784,907.55-256,986.90

Finding the Fourth Proportional to 522,926.10, 784,907.55 and 256,986.90

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Solution

The fourth proportional to 522,926.10, 784,907.55 and 256,986.90 is: 385,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,926.10 : 784,907.55 = 256,986.90 : x
  2. Step 2: Convert to fraction form
    522,926.10/784,907.55 = 256,986.90/x
  3. Step 3: Cross multiply
    522,926.10x = 784,907.55 × 256,986.90
  4. Step 4: Simplify right side
    522,926.10x = 201,710,958,061.10
  5. Step 5: Solve for x
    x = 201,710,958,061.10/522,926.10
  6. Step 6: Final answer
    x = 385,735.11

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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.