Home / 727,424.60-1,091,331.30-649,081.40

Finding the Fourth Proportional to 727,424.60, 1,091,331.30 and 649,081.40

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Solution

The fourth proportional to 727,424.60, 1,091,331.30 and 649,081.40 is: 973,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,424.60 : 1,091,331.30 = 649,081.40 : x
  2. Step 2: Convert to fraction form
    727,424.60/1,091,331.30 = 649,081.40/x
  3. Step 3: Cross multiply
    727,424.60x = 1,091,331.30 × 649,081.40
  4. Step 4: Simplify right side
    727,424.60x = 708,362,848,067.82
  5. Step 5: Solve for x
    x = 708,362,848,067.82/727,424.60
  6. Step 6: Final answer
    x = 973,795.56

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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.