Home / 592,319.45-817,400.93-320,387.22

Finding the Fourth Proportional to 592,319.45, 817,400.93 and 320,387.22

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Solution

The fourth proportional to 592,319.45, 817,400.93 and 320,387.22 is: 442,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,319.45 : 817,400.93 = 320,387.22 : x
  2. Step 2: Convert to fraction form
    592,319.45/817,400.93 = 320,387.22/x
  3. Step 3: Cross multiply
    592,319.45x = 817,400.93 × 320,387.22
  4. Step 4: Simplify right side
    592,319.45x = 261,884,814,537.84
  5. Step 5: Solve for x
    x = 261,884,814,537.84/592,319.45
  6. Step 6: Final answer
    x = 442,134.42

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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.