Home / 860,220.92-1,185,354.14-665,445.44

Finding the Fourth Proportional to 860,220.92, 1,185,354.14 and 665,445.44

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Solution

The fourth proportional to 860,220.92, 1,185,354.14 and 665,445.44 is: 916,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,220.92 : 1,185,354.14 = 665,445.44 : x
  2. Step 2: Convert to fraction form
    860,220.92/1,185,354.14 = 665,445.44/x
  3. Step 3: Cross multiply
    860,220.92x = 1,185,354.14 × 665,445.44
  4. Step 4: Simplify right side
    860,220.92x = 788,788,507,248.12
  5. Step 5: Solve for x
    x = 788,788,507,248.12/860,220.92
  6. Step 6: Final answer
    x = 916,960.39

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Similar ratio
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1.5x scale

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.