Home / 1,277,445.43-1,915,396.32-509,061.33

Finding the Fourth Proportional to 1,277,445.43, 1,915,396.32 and 509,061.33

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Solution

The fourth proportional to 1,277,445.43, 1,915,396.32 and 509,061.33 is: 763,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,445.43 : 1,915,396.32 = 509,061.33 : x
  2. Step 2: Convert to fraction form
    1,277,445.43/1,915,396.32 = 509,061.33/x
  3. Step 3: Cross multiply
    1,277,445.43x = 1,915,396.32 × 509,061.33
  4. Step 4: Simplify right side
    1,277,445.43x = 975,054,198,136.31
  5. Step 5: Solve for x
    x = 975,054,198,136.31/1,277,445.43
  6. Step 6: Final answer
    x = 763,284.42

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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.