Home / 1,113,221.27-1,669,827.76-403,083.20

Finding the Fourth Proportional to 1,113,221.27, 1,669,827.76 and 403,083.20

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Solution

The fourth proportional to 1,113,221.27, 1,669,827.76 and 403,083.20 is: 604,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,221.27 : 1,669,827.76 = 403,083.20 : x
  2. Step 2: Convert to fraction form
    1,113,221.27/1,669,827.76 = 403,083.20/x
  3. Step 3: Cross multiply
    1,113,221.27x = 1,669,827.76 × 403,083.20
  4. Step 4: Simplify right side
    1,113,221.27x = 673,079,520,116.49
  5. Step 5: Solve for x
    x = 673,079,520,116.49/1,113,221.27
  6. Step 6: Final answer
    x = 604,623.30

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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.