Home / 982,904.60-1,474,602.54-781,261.49

Finding the Fourth Proportional to 982,904.60, 1,474,602.54 and 781,261.49

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Solution

The fourth proportional to 982,904.60, 1,474,602.54 and 781,261.49 is: 1,172,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,904.60 : 1,474,602.54 = 781,261.49 : x
  2. Step 2: Convert to fraction form
    982,904.60/1,474,602.54 = 781,261.49/x
  3. Step 3: Cross multiply
    982,904.60x = 1,474,602.54 × 781,261.49
  4. Step 4: Simplify right side
    982,904.60x = 1,152,050,173,651.88
  5. Step 5: Solve for x
    x = 1,152,050,173,651.88/982,904.60
  6. Step 6: Final answer
    x = 1,172,087.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.