Home / 711,916.71-1,067,755.99-312,450.22

Finding the Fourth Proportional to 711,916.71, 1,067,755.99 and 312,450.22

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Solution

The fourth proportional to 711,916.71, 1,067,755.99 and 312,450.22 is: 468,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,916.71 : 1,067,755.99 = 312,450.22 : x
  2. Step 2: Convert to fraction form
    711,916.71/1,067,755.99 = 312,450.22/x
  3. Step 3: Cross multiply
    711,916.71x = 1,067,755.99 × 312,450.22
  4. Step 4: Simplify right side
    711,916.71x = 333,620,593,981.82
  5. Step 5: Solve for x
    x = 333,620,593,981.82/711,916.71
  6. Step 6: Final answer
    x = 468,623.07

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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.