Home / 851,217.12-1,175,007.51-623,582.37

Finding the Fourth Proportional to 851,217.12, 1,175,007.51 and 623,582.37

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Solution

The fourth proportional to 851,217.12, 1,175,007.51 and 623,582.37 is: 860,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,217.12 : 1,175,007.51 = 623,582.37 : x
  2. Step 2: Convert to fraction form
    851,217.12/1,175,007.51 = 623,582.37/x
  3. Step 3: Cross multiply
    851,217.12x = 1,175,007.51 × 623,582.37
  4. Step 4: Simplify right side
    851,217.12x = 732,713,961,978.56
  5. Step 5: Solve for x
    x = 732,713,961,978.56/851,217.12
  6. Step 6: Final answer
    x = 860,783.86

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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.