Home / 723,608.10-1,085,463.97-191,123.82

Finding the Fourth Proportional to 723,608.10, 1,085,463.97 and 191,123.82

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Solution

The fourth proportional to 723,608.10, 1,085,463.97 and 191,123.82 is: 286,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,608.10 : 1,085,463.97 = 191,123.82 : x
  2. Step 2: Convert to fraction form
    723,608.10/1,085,463.97 = 191,123.82/x
  3. Step 3: Cross multiply
    723,608.10x = 1,085,463.97 × 191,123.82
  4. Step 4: Simplify right side
    723,608.10x = 207,458,020,418.77
  5. Step 5: Solve for x
    x = 207,458,020,418.77/723,608.10
  6. Step 6: Final answer
    x = 286,699.42

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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.