Home / 397,045.43-547,922.27-215,756.93

Finding the Fourth Proportional to 397,045.43, 547,922.27 and 215,756.93

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Solution

The fourth proportional to 397,045.43, 547,922.27 and 215,756.93 is: 297,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,045.43 : 547,922.27 = 215,756.93 : x
  2. Step 2: Convert to fraction form
    397,045.43/547,922.27 = 215,756.93/x
  3. Step 3: Cross multiply
    397,045.43x = 547,922.27 × 215,756.93
  4. Step 4: Simplify right side
    397,045.43x = 118,218,026,853.83
  5. Step 5: Solve for x
    x = 118,218,026,853.83/397,045.43
  6. Step 6: Final answer
    x = 297,744.33

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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.