Home / 1,007,992.56-1,391,029.13-555,283.56

Finding the Fourth Proportional to 1,007,992.56, 1,391,029.13 and 555,283.56

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Solution

The fourth proportional to 1,007,992.56, 1,391,029.13 and 555,283.56 is: 766,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,992.56 : 1,391,029.13 = 555,283.56 : x
  2. Step 2: Convert to fraction form
    1,007,992.56/1,391,029.13 = 555,283.56/x
  3. Step 3: Cross multiply
    1,007,992.56x = 1,391,029.13 × 555,283.56
  4. Step 4: Simplify right side
    1,007,992.56x = 772,415,610,851.20
  5. Step 5: Solve for x
    x = 772,415,610,851.20/1,007,992.56
  6. Step 6: Final answer
    x = 766,290.98

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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.