Home / 521,431.20-782,161.38-184,424.22

Finding the Fourth Proportional to 521,431.20, 782,161.38 and 184,424.22

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Solution

The fourth proportional to 521,431.20, 782,161.38 and 184,424.22 is: 276,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,431.20 : 782,161.38 = 184,424.22 : x
  2. Step 2: Convert to fraction form
    521,431.20/782,161.38 = 184,424.22/x
  3. Step 3: Cross multiply
    521,431.20x = 782,161.38 × 184,424.22
  4. Step 4: Simplify right side
    521,431.20x = 144,249,502,420.62
  5. Step 5: Solve for x
    x = 144,249,502,420.62/521,431.20
  6. Step 6: Final answer
    x = 276,641.49

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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.