Home / 772,618.76-1,159,247.01-417,214.25

Finding the Fourth Proportional to 772,618.76, 1,159,247.01 and 417,214.25

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Solution

The fourth proportional to 772,618.76, 1,159,247.01 and 417,214.25 is: 625,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,618.76 : 1,159,247.01 = 417,214.25 : x
  2. Step 2: Convert to fraction form
    772,618.76/1,159,247.01 = 417,214.25/x
  3. Step 3: Cross multiply
    772,618.76x = 1,159,247.01 × 417,214.25
  4. Step 4: Simplify right side
    772,618.76x = 483,654,371,841.89
  5. Step 5: Solve for x
    x = 483,654,371,841.89/772,618.76
  6. Step 6: Final answer
    x = 625,993.56

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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.