Home / 772,458.20-1,159,007.39-417,054.50

Finding the Fourth Proportional to 772,458.20, 1,159,007.39 and 417,054.50

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Solution

The fourth proportional to 772,458.20, 1,159,007.39 and 417,054.50 is: 625,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,458.20 : 1,159,007.39 = 417,054.50 : x
  2. Step 2: Convert to fraction form
    772,458.20/1,159,007.39 = 417,054.50/x
  3. Step 3: Cross multiply
    772,458.20x = 1,159,007.39 × 417,054.50
  4. Step 4: Simplify right side
    772,458.20x = 483,369,247,532.76
  5. Step 5: Solve for x
    x = 483,369,247,532.76/772,458.20
  6. Step 6: Final answer
    x = 625,754.57

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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.