Home / 1,219,857.88-1,683,407.80-676,002.62

Finding the Fourth Proportional to 1,219,857.88, 1,683,407.80 and 676,002.62

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Solution

The fourth proportional to 1,219,857.88, 1,683,407.80 and 676,002.62 is: 932,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,857.88 : 1,683,407.80 = 676,002.62 : x
  2. Step 2: Convert to fraction form
    1,219,857.88/1,683,407.80 = 676,002.62/x
  3. Step 3: Cross multiply
    1,219,857.88x = 1,683,407.80 × 676,002.62
  4. Step 4: Simplify right side
    1,219,857.88x = 1,137,988,083,328.44
  5. Step 5: Solve for x
    x = 1,137,988,083,328.44/1,219,857.88
  6. Step 6: Final answer
    x = 932,885.79

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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.