Home / 962,906.20-1,328,801.00-521,378.69

Finding the Fourth Proportional to 962,906.20, 1,328,801.00 and 521,378.69

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Solution

The fourth proportional to 962,906.20, 1,328,801.00 and 521,378.69 is: 719,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,906.20 : 1,328,801.00 = 521,378.69 : x
  2. Step 2: Convert to fraction form
    962,906.20/1,328,801.00 = 521,378.69/x
  3. Step 3: Cross multiply
    962,906.20x = 1,328,801.00 × 521,378.69
  4. Step 4: Simplify right side
    962,906.20x = 692,808,529,276.14
  5. Step 5: Solve for x
    x = 692,808,529,276.14/962,906.20
  6. Step 6: Final answer
    x = 719,497.42

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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.