Home / 592,334.93-817,422.36-320,402.72

Finding the Fourth Proportional to 592,334.93, 817,422.36 and 320,402.72

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Solution

The fourth proportional to 592,334.93, 817,422.36 and 320,402.72 is: 442,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,334.93 : 817,422.36 = 320,402.72 : x
  2. Step 2: Convert to fraction form
    592,334.93/817,422.36 = 320,402.72/x
  3. Step 3: Cross multiply
    592,334.93x = 817,422.36 × 320,402.72
  4. Step 4: Simplify right side
    592,334.93x = 261,904,347,532.82
  5. Step 5: Solve for x
    x = 261,904,347,532.82/592,334.93
  6. Step 6: Final answer
    x = 442,155.84

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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.