Home / 665,117.40-997,823.52-191,765.82

Finding the Fourth Proportional to 665,117.40, 997,823.52 and 191,765.82

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Solution

The fourth proportional to 665,117.40, 997,823.52 and 191,765.82 is: 287,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,117.40 : 997,823.52 = 191,765.82 : x
  2. Step 2: Convert to fraction form
    665,117.40/997,823.52 = 191,765.82/x
  3. Step 3: Cross multiply
    665,117.40x = 997,823.52 × 191,765.82
  4. Step 4: Simplify right side
    665,117.40x = 191,348,445,528.09
  5. Step 5: Solve for x
    x = 191,348,445,528.09/665,117.40
  6. Step 6: Final answer
    x = 287,691.23

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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.