Home / 622,835.40-859,512.86-336,355.48

Finding the Fourth Proportional to 622,835.40, 859,512.86 and 336,355.48

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Solution

The fourth proportional to 622,835.40, 859,512.86 and 336,355.48 is: 464,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,835.40 : 859,512.86 = 336,355.48 : x
  2. Step 2: Convert to fraction form
    622,835.40/859,512.86 = 336,355.48/x
  3. Step 3: Cross multiply
    622,835.40x = 859,512.86 × 336,355.48
  4. Step 4: Simplify right side
    622,835.40x = 289,101,860,591.47
  5. Step 5: Solve for x
    x = 289,101,860,591.47/622,835.40
  6. Step 6: Final answer
    x = 464,170.57

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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.