Home / 860,116.66-1,186,991.46-472,961.46

Finding the Fourth Proportional to 860,116.66, 1,186,991.46 and 472,961.46

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Solution

The fourth proportional to 860,116.66, 1,186,991.46 and 472,961.46 is: 652,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,116.66 : 1,186,991.46 = 472,961.46 : x
  2. Step 2: Convert to fraction form
    860,116.66/1,186,991.46 = 472,961.46/x
  3. Step 3: Cross multiply
    860,116.66x = 1,186,991.46 × 472,961.46
  4. Step 4: Simplify right side
    860,116.66x = 561,401,213,929.13
  5. Step 5: Solve for x
    x = 561,401,213,929.13/860,116.66
  6. Step 6: Final answer
    x = 652,703.57

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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.