Home / 930,199.28-1,283,596.20-522,269.10

Finding the Fourth Proportional to 930,199.28, 1,283,596.20 and 522,269.10

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Solution

The fourth proportional to 930,199.28, 1,283,596.20 and 522,269.10 is: 720,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,199.28 : 1,283,596.20 = 522,269.10 : x
  2. Step 2: Convert to fraction form
    930,199.28/1,283,596.20 = 522,269.10/x
  3. Step 3: Cross multiply
    930,199.28x = 1,283,596.20 × 522,269.10
  4. Step 4: Simplify right side
    930,199.28x = 670,382,632,137.42
  5. Step 5: Solve for x
    x = 670,382,632,137.42/930,199.28
  6. Step 6: Final answer
    x = 720,687.12

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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.