Home / 1,025,696.60-1,538,084.10-394,400.60

Finding the Fourth Proportional to 1,025,696.60, 1,538,084.10 and 394,400.60

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Solution

The fourth proportional to 1,025,696.60, 1,538,084.10 and 394,400.60 is: 591,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,696.60 : 1,538,084.10 = 394,400.60 : x
  2. Step 2: Convert to fraction form
    1,025,696.60/1,538,084.10 = 394,400.60/x
  3. Step 3: Cross multiply
    1,025,696.60x = 1,538,084.10 × 394,400.60
  4. Step 4: Simplify right side
    1,025,696.60x = 606,621,291,890.46
  5. Step 5: Solve for x
    x = 606,621,291,890.46/1,025,696.60
  6. Step 6: Final answer
    x = 591,423.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.