Home / 772,455.45-1,159,003.26-417,051.75

Finding the Fourth Proportional to 772,455.45, 1,159,003.26 and 417,051.75

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Solution

The fourth proportional to 772,455.45, 1,159,003.26 and 417,051.75 is: 625,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,455.45 : 1,159,003.26 = 417,051.75 : x
  2. Step 2: Convert to fraction form
    772,455.45/1,159,003.26 = 417,051.75/x
  3. Step 3: Cross multiply
    772,455.45x = 1,159,003.26 × 417,051.75
  4. Step 4: Simplify right side
    772,455.45x = 483,364,337,838.71
  5. Step 5: Solve for x
    x = 483,364,337,838.71/772,455.45
  6. Step 6: Final answer
    x = 625,750.44

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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.