Home / 1,411,040.89-1,947,272.65-766,497.97

Finding the Fourth Proportional to 1,411,040.89, 1,947,272.65 and 766,497.97

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Solution

The fourth proportional to 1,411,040.89, 1,947,272.65 and 766,497.97 is: 1,057,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,040.89 : 1,947,272.65 = 766,497.97 : x
  2. Step 2: Convert to fraction form
    1,411,040.89/1,947,272.65 = 766,497.97/x
  3. Step 3: Cross multiply
    1,411,040.89x = 1,947,272.65 × 766,497.97
  4. Step 4: Simplify right side
    1,411,040.89x = 1,492,580,538,090.92
  5. Step 5: Solve for x
    x = 1,492,580,538,090.92/1,411,040.89
  6. Step 6: Final answer
    x = 1,057,786.88

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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.