Home / 592,566.35-817,739.92-320,638.88

Finding the Fourth Proportional to 592,566.35, 817,739.92 and 320,638.88

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Solution

The fourth proportional to 592,566.35, 817,739.92 and 320,638.88 is: 442,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,566.35 : 817,739.92 = 320,638.88 : x
  2. Step 2: Convert to fraction form
    592,566.35/817,739.92 = 320,638.88/x
  3. Step 3: Cross multiply
    592,566.35x = 817,739.92 × 320,638.88
  4. Step 4: Simplify right side
    592,566.35x = 262,199,212,080.09
  5. Step 5: Solve for x
    x = 262,199,212,080.09/592,566.35
  6. Step 6: Final answer
    x = 442,480.77

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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.