Home / 566,452.37-781,724.90-308,316.85

Finding the Fourth Proportional to 566,452.37, 781,724.90 and 308,316.85

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Solution

The fourth proportional to 566,452.37, 781,724.90 and 308,316.85 is: 425,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,452.37 : 781,724.90 = 308,316.85 : x
  2. Step 2: Convert to fraction form
    566,452.37/781,724.90 = 308,316.85/x
  3. Step 3: Cross multiply
    566,452.37x = 781,724.90 × 308,316.85
  4. Step 4: Simplify right side
    566,452.37x = 241,018,957,551.05
  5. Step 5: Solve for x
    x = 241,018,957,551.05/566,452.37
  6. Step 6: Final answer
    x = 425,488.48

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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.