Home / 1,938,356.76-2,907,867.30-658,828.92

Finding the Fourth Proportional to 1,938,356.76, 2,907,867.30 and 658,828.92

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Solution

The fourth proportional to 1,938,356.76, 2,907,867.30 and 658,828.92 is: 988,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,356.76 : 2,907,867.30 = 658,828.92 : x
  2. Step 2: Convert to fraction form
    1,938,356.76/2,907,867.30 = 658,828.92/x
  3. Step 3: Cross multiply
    1,938,356.76x = 2,907,867.30 × 658,828.92
  4. Step 4: Simplify right side
    1,938,356.76x = 1,915,787,072,762.32
  5. Step 5: Solve for x
    x = 1,915,787,072,762.32/1,938,356.76
  6. Step 6: Final answer
    x = 988,356.28

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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.