Home / 579,566.40-868,183.20-402,273.60

Finding the Fourth Proportional to 579,566.40, 868,183.20 and 402,273.60

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Solution

The fourth proportional to 579,566.40, 868,183.20 and 402,273.60 is: 602,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,566.40 : 868,183.20 = 402,273.60 : x
  2. Step 2: Convert to fraction form
    579,566.40/868,183.20 = 402,273.60/x
  3. Step 3: Cross multiply
    579,566.40x = 868,183.20 × 402,273.60
  4. Step 4: Simplify right side
    579,566.40x = 349,247,181,323.52
  5. Step 5: Solve for x
    x = 349,247,181,323.52/579,566.40
  6. Step 6: Final answer
    x = 602,600.81

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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.