Home / 407,919.20-562,916.80-233,493.76

Finding the Fourth Proportional to 407,919.20, 562,916.80 and 233,493.76

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Solution

The fourth proportional to 407,919.20, 562,916.80 and 233,493.76 is: 322,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,919.20 : 562,916.80 = 233,493.76 : x
  2. Step 2: Convert to fraction form
    407,919.20/562,916.80 = 233,493.76/x
  3. Step 3: Cross multiply
    407,919.20x = 562,916.80 × 233,493.76
  4. Step 4: Simplify right side
    407,919.20x = 131,437,560,199.17
  5. Step 5: Solve for x
    x = 131,437,560,199.17/407,919.20
  6. Step 6: Final answer
    x = 322,214.69

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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.