Home / 891,961.34-1,230,915.66-484,066.70

Finding the Fourth Proportional to 891,961.34, 1,230,915.66 and 484,066.70

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Solution

The fourth proportional to 891,961.34, 1,230,915.66 and 484,066.70 is: 668,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,961.34 : 1,230,915.66 = 484,066.70 : x
  2. Step 2: Convert to fraction form
    891,961.34/1,230,915.66 = 484,066.70/x
  3. Step 3: Cross multiply
    891,961.34x = 1,230,915.66 × 484,066.70
  4. Step 4: Simplify right side
    891,961.34x = 595,845,278,160.63
  5. Step 5: Solve for x
    x = 595,845,278,160.63/891,961.34
  6. Step 6: Final answer
    x = 668,016.94

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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.