Home / 5,308,444.80-7,962,672.60-1,319,356.80

Finding the Fourth Proportional to 5,308,444.80, 7,962,672.60 and 1,319,356.80

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Solution

The fourth proportional to 5,308,444.80, 7,962,672.60 and 1,319,356.80 is: 1,979,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,444.80 : 7,962,672.60 = 1,319,356.80 : x
  2. Step 2: Convert to fraction form
    5,308,444.80/7,962,672.60 = 1,319,356.80/x
  3. Step 3: Cross multiply
    5,308,444.80x = 7,962,672.60 × 1,319,356.80
  4. Step 4: Simplify right side
    5,308,444.80x = 10,505,606,240,983.68
  5. Step 5: Solve for x
    x = 10,505,606,240,983.68/5,308,444.80
  6. Step 6: Final answer
    x = 1,979,036.54

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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.