Home / 1,403,385.32-1,936,670.64-758,805.14

Finding the Fourth Proportional to 1,403,385.32, 1,936,670.64 and 758,805.14

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Solution

The fourth proportional to 1,403,385.32, 1,936,670.64 and 758,805.14 is: 1,047,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,385.32 : 1,936,670.64 = 758,805.14 : x
  2. Step 2: Convert to fraction form
    1,403,385.32/1,936,670.64 = 758,805.14/x
  3. Step 3: Cross multiply
    1,403,385.32x = 1,936,670.64 × 758,805.14
  4. Step 4: Simplify right side
    1,403,385.32x = 1,469,555,636,119.09
  5. Step 5: Solve for x
    x = 1,469,555,636,119.09/1,403,385.32
  6. Step 6: Final answer
    x = 1,047,150.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.