Home / 592,648.36-817,856.79-320,716.18

Finding the Fourth Proportional to 592,648.36, 817,856.79 and 320,716.18

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Solution

The fourth proportional to 592,648.36, 817,856.79 and 320,716.18 is: 442,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,648.36 : 817,856.79 = 320,716.18 : x
  2. Step 2: Convert to fraction form
    592,648.36/817,856.79 = 320,716.18/x
  3. Step 3: Cross multiply
    592,648.36x = 817,856.79 × 320,716.18
  4. Step 4: Simplify right side
    592,648.36x = 262,299,905,475.86
  5. Step 5: Solve for x
    x = 262,299,905,475.86/592,648.36
  6. Step 6: Final answer
    x = 442,589.44

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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.