Home / 387,010.26-534,073.77-217,244.70

Finding the Fourth Proportional to 387,010.26, 534,073.77 and 217,244.70

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Solution

The fourth proportional to 387,010.26, 534,073.77 and 217,244.70 is: 299,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,010.26 : 534,073.77 = 217,244.70 : x
  2. Step 2: Convert to fraction form
    387,010.26/534,073.77 = 217,244.70/x
  3. Step 3: Cross multiply
    387,010.26x = 534,073.77 × 217,244.70
  4. Step 4: Simplify right side
    387,010.26x = 116,024,695,941.52
  5. Step 5: Solve for x
    x = 116,024,695,941.52/387,010.26
  6. Step 6: Final answer
    x = 299,797.47

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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.