Home / 847,222.88-1,169,175.77-465,257.86

Finding the Fourth Proportional to 847,222.88, 1,169,175.77 and 465,257.86

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Solution

The fourth proportional to 847,222.88, 1,169,175.77 and 465,257.86 is: 642,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,222.88 : 1,169,175.77 = 465,257.86 : x
  2. Step 2: Convert to fraction form
    847,222.88/1,169,175.77 = 465,257.86/x
  3. Step 3: Cross multiply
    847,222.88x = 1,169,175.77 × 465,257.86
  4. Step 4: Simplify right side
    847,222.88x = 543,968,213,209.54
  5. Step 5: Solve for x
    x = 543,968,213,209.54/847,222.88
  6. Step 6: Final answer
    x = 642,060.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.