Home / 982,904.52-1,355,887.98-676,448.85

Finding the Fourth Proportional to 982,904.52, 1,355,887.98 and 676,448.85

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Solution

The fourth proportional to 982,904.52, 1,355,887.98 and 676,448.85 is: 933,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,904.52 : 1,355,887.98 = 676,448.85 : x
  2. Step 2: Convert to fraction form
    982,904.52/1,355,887.98 = 676,448.85/x
  3. Step 3: Cross multiply
    982,904.52x = 1,355,887.98 × 676,448.85
  4. Step 4: Simplify right side
    982,904.52x = 917,188,864,799.82
  5. Step 5: Solve for x
    x = 917,188,864,799.82/982,904.52
  6. Step 6: Final answer
    x = 933,141.36

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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.