Home / 528,414.50-792,155.18-404,309.54

Finding the Fourth Proportional to 528,414.50, 792,155.18 and 404,309.54

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Solution

The fourth proportional to 528,414.50, 792,155.18 and 404,309.54 is: 606,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,414.50 : 792,155.18 = 404,309.54 : x
  2. Step 2: Convert to fraction form
    528,414.50/792,155.18 = 404,309.54/x
  3. Step 3: Cross multiply
    528,414.50x = 792,155.18 × 404,309.54
  4. Step 4: Simplify right side
    528,414.50x = 320,275,896,434.42
  5. Step 5: Solve for x
    x = 320,275,896,434.42/528,414.50
  6. Step 6: Final answer
    x = 606,107.32

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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.