Home / 387,033.15-534,105.72-217,267.14

Finding the Fourth Proportional to 387,033.15, 534,105.72 and 217,267.14

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Solution

The fourth proportional to 387,033.15, 534,105.72 and 217,267.14 is: 299,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,033.15 : 534,105.72 = 217,267.14 : x
  2. Step 2: Convert to fraction form
    387,033.15/534,105.72 = 217,267.14/x
  3. Step 3: Cross multiply
    387,033.15x = 534,105.72 × 217,267.14
  4. Step 4: Simplify right side
    387,033.15x = 116,043,622,242.04
  5. Step 5: Solve for x
    x = 116,043,622,242.04/387,033.15
  6. Step 6: Final answer
    x = 299,828.64

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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.