Home / 592,931.32-818,244.20-320,999.12

Finding the Fourth Proportional to 592,931.32, 818,244.20 and 320,999.12

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Solution

The fourth proportional to 592,931.32, 818,244.20 and 320,999.12 is: 442,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,931.32 : 818,244.20 = 320,999.12 : x
  2. Step 2: Convert to fraction form
    592,931.32/818,244.20 = 320,999.12/x
  3. Step 3: Cross multiply
    592,931.32x = 818,244.20 × 320,999.12
  4. Step 4: Simplify right side
    592,931.32x = 262,655,668,145.10
  5. Step 5: Solve for x
    x = 262,655,668,145.10/592,931.32
  6. Step 6: Final answer
    x = 442,978.23

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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.