Home / 1,298,097.87-1,791,365.24-717,360.15

Finding the Fourth Proportional to 1,298,097.87, 1,791,365.24 and 717,360.15

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Solution

The fourth proportional to 1,298,097.87, 1,791,365.24 and 717,360.15 is: 989,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,097.87 : 1,791,365.24 = 717,360.15 : x
  2. Step 2: Convert to fraction form
    1,298,097.87/1,791,365.24 = 717,360.15/x
  3. Step 3: Cross multiply
    1,298,097.87x = 1,791,365.24 × 717,360.15
  4. Step 4: Simplify right side
    1,298,097.87x = 1,285,054,033,684.39
  5. Step 5: Solve for x
    x = 1,285,054,033,684.39/1,298,097.87
  6. Step 6: Final answer
    x = 989,951.58

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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.