Home / 524,979.20-786,931.20-258,329.60

Finding the Fourth Proportional to 524,979.20, 786,931.20 and 258,329.60

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Solution

The fourth proportional to 524,979.20, 786,931.20 and 258,329.60 is: 387,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,979.20 : 786,931.20 = 258,329.60 : x
  2. Step 2: Convert to fraction form
    524,979.20/786,931.20 = 258,329.60/x
  3. Step 3: Cross multiply
    524,979.20x = 786,931.20 × 258,329.60
  4. Step 4: Simplify right side
    524,979.20x = 203,287,622,123.52
  5. Step 5: Solve for x
    x = 203,287,622,123.52/524,979.20
  6. Step 6: Final answer
    x = 387,229.86

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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.