Home / 437,526.20-654,977.10-259,941.80

Finding the Fourth Proportional to 437,526.20, 654,977.10 and 259,941.80

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Solution

The fourth proportional to 437,526.20, 654,977.10 and 259,941.80 is: 389,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,526.20 : 654,977.10 = 259,941.80 : x
  2. Step 2: Convert to fraction form
    437,526.20/654,977.10 = 259,941.80/x
  3. Step 3: Cross multiply
    437,526.20x = 654,977.10 × 259,941.80
  4. Step 4: Simplify right side
    437,526.20x = 170,255,926,332.78
  5. Step 5: Solve for x
    x = 170,255,926,332.78/437,526.20
  6. Step 6: Final answer
    x = 389,133.10

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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.