Home / 566,452.60-781,725.20-308,317.06

Finding the Fourth Proportional to 566,452.60, 781,725.20 and 308,317.06

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Solution

The fourth proportional to 566,452.60, 781,725.20 and 308,317.06 is: 425,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,452.60 : 781,725.20 = 308,317.06 : x
  2. Step 2: Convert to fraction form
    566,452.60/781,725.20 = 308,317.06/x
  3. Step 3: Cross multiply
    566,452.60x = 781,725.20 × 308,317.06
  4. Step 4: Simplify right side
    566,452.60x = 241,019,214,208.39
  5. Step 5: Solve for x
    x = 241,019,214,208.39/566,452.60
  6. Step 6: Final answer
    x = 425,488.76

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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.