Home / 757,324.91-1,045,111.31-413,168.57

Finding the Fourth Proportional to 757,324.91, 1,045,111.31 and 413,168.57

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Solution

The fourth proportional to 757,324.91, 1,045,111.31 and 413,168.57 is: 570,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,324.91 : 1,045,111.31 = 413,168.57 : x
  2. Step 2: Convert to fraction form
    757,324.91/1,045,111.31 = 413,168.57/x
  3. Step 3: Cross multiply
    757,324.91x = 1,045,111.31 × 413,168.57
  4. Step 4: Simplify right side
    757,324.91x = 431,807,138,152.13
  5. Step 5: Solve for x
    x = 431,807,138,152.13/757,324.91
  6. Step 6: Final answer
    x = 570,174.22

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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.