Home / 592,766.40-818,011.20-320,828.80

Finding the Fourth Proportional to 592,766.40, 818,011.20 and 320,828.80

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Solution

The fourth proportional to 592,766.40, 818,011.20 and 320,828.80 is: 442,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,766.40 : 818,011.20 = 320,828.80 : x
  2. Step 2: Convert to fraction form
    592,766.40/818,011.20 = 320,828.80/x
  3. Step 3: Cross multiply
    592,766.40x = 818,011.20 × 320,828.80
  4. Step 4: Simplify right side
    592,766.40x = 262,441,551,682.56
  5. Step 5: Solve for x
    x = 262,441,551,682.56/592,766.40
  6. Step 6: Final answer
    x = 442,740.26

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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.