Home / 772,295.30-1,158,411.36-322,900.82

Finding the Fourth Proportional to 772,295.30, 1,158,411.36 and 322,900.82

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Solution

The fourth proportional to 772,295.30, 1,158,411.36 and 322,900.82 is: 484,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,295.30 : 1,158,411.36 = 322,900.82 : x
  2. Step 2: Convert to fraction form
    772,295.30/1,158,411.36 = 322,900.82/x
  3. Step 3: Cross multiply
    772,295.30x = 1,158,411.36 × 322,900.82
  4. Step 4: Simplify right side
    772,295.30x = 374,051,978,041.32
  5. Step 5: Solve for x
    x = 374,051,978,041.32/772,295.30
  6. Step 6: Final answer
    x = 484,338.02

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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.