Home / 626,199.32-863,584.80-529,605.56

Finding the Fourth Proportional to 626,199.32, 863,584.80 and 529,605.56

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Solution

The fourth proportional to 626,199.32, 863,584.80 and 529,605.56 is: 730,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,199.32 : 863,584.80 = 529,605.56 : x
  2. Step 2: Convert to fraction form
    626,199.32/863,584.80 = 529,605.56/x
  3. Step 3: Cross multiply
    626,199.32x = 863,584.80 × 529,605.56
  4. Step 4: Simplify right side
    626,199.32x = 457,359,311,611.49
  5. Step 5: Solve for x
    x = 457,359,311,611.49/626,199.32
  6. Step 6: Final answer
    x = 730,373.38

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Double scale
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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.