Home / 946,134.71-1,419,828.88-519,968.15

Finding the Fourth Proportional to 946,134.71, 1,419,828.88 and 519,968.15

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Solution

The fourth proportional to 946,134.71, 1,419,828.88 and 519,968.15 is: 780,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,134.71 : 1,419,828.88 = 519,968.15 : x
  2. Step 2: Convert to fraction form
    946,134.71/1,419,828.88 = 519,968.15/x
  3. Step 3: Cross multiply
    946,134.71x = 1,419,828.88 × 519,968.15
  4. Step 4: Simplify right side
    946,134.71x = 738,265,796,050.17
  5. Step 5: Solve for x
    x = 738,265,796,050.17/946,134.71
  6. Step 6: Final answer
    x = 780,296.70

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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.