Home / 624,581.43-936,731.99-287,298.15

Finding the Fourth Proportional to 624,581.43, 936,731.99 and 287,298.15

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Solution

The fourth proportional to 624,581.43, 936,731.99 and 287,298.15 is: 430,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,581.43 : 936,731.99 = 287,298.15 : x
  2. Step 2: Convert to fraction form
    624,581.43/936,731.99 = 287,298.15/x
  3. Step 3: Cross multiply
    624,581.43x = 936,731.99 × 287,298.15
  4. Step 4: Simplify right side
    624,581.43x = 269,121,368,491.06
  5. Step 5: Solve for x
    x = 269,121,368,491.06/624,581.43
  6. Step 6: Final answer
    x = 430,882.76

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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.