Home / 1,260,982.50-1,891,489.95-419,534.52

Finding the Fourth Proportional to 1,260,982.50, 1,891,489.95 and 419,534.52

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Solution

The fourth proportional to 1,260,982.50, 1,891,489.95 and 419,534.52 is: 629,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,982.50 : 1,891,489.95 = 419,534.52 : x
  2. Step 2: Convert to fraction form
    1,260,982.50/1,891,489.95 = 419,534.52/x
  3. Step 3: Cross multiply
    1,260,982.50x = 1,891,489.95 × 419,534.52
  4. Step 4: Simplify right side
    1,260,982.50x = 793,545,328,258.07
  5. Step 5: Solve for x
    x = 793,545,328,258.07/1,260,982.50
  6. Step 6: Final answer
    x = 629,307.17

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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.