Home / 1,298,097.37-1,791,364.54-717,359.65

Finding the Fourth Proportional to 1,298,097.37, 1,791,364.54 and 717,359.65

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Solution

The fourth proportional to 1,298,097.37, 1,791,364.54 and 717,359.65 is: 989,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,097.37 : 1,791,364.54 = 717,359.65 : x
  2. Step 2: Convert to fraction form
    1,298,097.37/1,791,364.54 = 717,359.65/x
  3. Step 3: Cross multiply
    1,298,097.37x = 1,791,364.54 × 717,359.65
  4. Step 4: Simplify right side
    1,298,097.37x = 1,285,052,639,436.81
  5. Step 5: Solve for x
    x = 1,285,052,639,436.81/1,298,097.37
  6. Step 6: Final answer
    x = 989,950.88

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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.