Home / 772,458.45-1,159,007.76-417,054.75

Finding the Fourth Proportional to 772,458.45, 1,159,007.76 and 417,054.75

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Solution

The fourth proportional to 772,458.45, 1,159,007.76 and 417,054.75 is: 625,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,458.45 : 1,159,007.76 = 417,054.75 : x
  2. Step 2: Convert to fraction form
    772,458.45/1,159,007.76 = 417,054.75/x
  3. Step 3: Cross multiply
    772,458.45x = 1,159,007.76 × 417,054.75
  4. Step 4: Simplify right side
    772,458.45x = 483,369,691,594.86
  5. Step 5: Solve for x
    x = 483,369,691,594.86/772,458.45
  6. Step 6: Final answer
    x = 625,754.94

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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.