Home / 1,187,184.48-1,638,356.40-677,877.60

Finding the Fourth Proportional to 1,187,184.48, 1,638,356.40 and 677,877.60

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Solution

The fourth proportional to 1,187,184.48, 1,638,356.40 and 677,877.60 is: 935,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,184.48 : 1,638,356.40 = 677,877.60 : x
  2. Step 2: Convert to fraction form
    1,187,184.48/1,638,356.40 = 677,877.60/x
  3. Step 3: Cross multiply
    1,187,184.48x = 1,638,356.40 × 677,877.60
  4. Step 4: Simplify right side
    1,187,184.48x = 1,110,605,104,376.64
  5. Step 5: Solve for x
    x = 1,110,605,104,376.64/1,187,184.48
  6. Step 6: Final answer
    x = 935,494.97

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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.