Home / 1,938,179.23-2,907,039.88-518,345.35

Finding the Fourth Proportional to 1,938,179.23, 2,907,039.88 and 518,345.35

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Solution

The fourth proportional to 1,938,179.23, 2,907,039.88 and 518,345.35 is: 777,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,179.23 : 2,907,039.88 = 518,345.35 : x
  2. Step 2: Convert to fraction form
    1,938,179.23/2,907,039.88 = 518,345.35/x
  3. Step 3: Cross multiply
    1,938,179.23x = 2,907,039.88 × 518,345.35
  4. Step 4: Simplify right side
    1,938,179.23x = 1,506,850,604,062.56
  5. Step 5: Solve for x
    x = 1,506,850,604,062.56/1,938,179.23
  6. Step 6: Final answer
    x = 777,456.79

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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.