Home / 758,620.69-1,138,095.06-403,583.11

Finding the Fourth Proportional to 758,620.69, 1,138,095.06 and 403,583.11

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Solution

The fourth proportional to 758,620.69, 1,138,095.06 and 403,583.11 is: 605,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,620.69 : 1,138,095.06 = 403,583.11 : x
  2. Step 2: Convert to fraction form
    758,620.69/1,138,095.06 = 403,583.11/x
  3. Step 3: Cross multiply
    758,620.69x = 1,138,095.06 × 403,583.11
  4. Step 4: Simplify right side
    758,620.69x = 459,315,943,790.44
  5. Step 5: Solve for x
    x = 459,315,943,790.44/758,620.69
  6. Step 6: Final answer
    x = 605,461.93

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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.