Home / 956,706.88-1,318,838.16-612,493.60

Finding the Fourth Proportional to 956,706.88, 1,318,838.16 and 612,493.60

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Solution

The fourth proportional to 956,706.88, 1,318,838.16 and 612,493.60 is: 844,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,706.88 : 1,318,838.16 = 612,493.60 : x
  2. Step 2: Convert to fraction form
    956,706.88/1,318,838.16 = 612,493.60/x
  3. Step 3: Cross multiply
    956,706.88x = 1,318,838.16 × 612,493.60
  4. Step 4: Simplify right side
    956,706.88x = 807,779,932,435.78
  5. Step 5: Solve for x
    x = 807,779,932,435.78/956,706.88
  6. Step 6: Final answer
    x = 844,333.78

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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.