Home / 387,293.19-534,514.72-217,527.31

Finding the Fourth Proportional to 387,293.19, 534,514.72 and 217,527.31

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Solution

The fourth proportional to 387,293.19, 534,514.72 and 217,527.31 is: 300,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,293.19 : 534,514.72 = 217,527.31 : x
  2. Step 2: Convert to fraction form
    387,293.19/534,514.72 = 217,527.31/x
  3. Step 3: Cross multiply
    387,293.19x = 534,514.72 × 217,527.31
  4. Step 4: Simplify right side
    387,293.19x = 116,271,549,197.00
  5. Step 5: Solve for x
    x = 116,271,549,197.00/387,293.19
  6. Step 6: Final answer
    x = 300,215.84

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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.