Home / 1,372,036.20-2,057,256.42-519,173.70

Finding the Fourth Proportional to 1,372,036.20, 2,057,256.42 and 519,173.70

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Solution

The fourth proportional to 1,372,036.20, 2,057,256.42 and 519,173.70 is: 778,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,036.20 : 2,057,256.42 = 519,173.70 : x
  2. Step 2: Convert to fraction form
    1,372,036.20/2,057,256.42 = 519,173.70/x
  3. Step 3: Cross multiply
    1,372,036.20x = 2,057,256.42 × 519,173.70
  4. Step 4: Simplify right side
    1,372,036.20x = 1,068,073,427,420.15
  5. Step 5: Solve for x
    x = 1,068,073,427,420.15/1,372,036.20
  6. Step 6: Final answer
    x = 778,458.63

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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.