Home / 1,411,609.72-2,116,223.66-612,289.48

Finding the Fourth Proportional to 1,411,609.72, 2,116,223.66 and 612,289.48

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Solution

The fourth proportional to 1,411,609.72, 2,116,223.66 and 612,289.48 is: 917,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,609.72 : 2,116,223.66 = 612,289.48 : x
  2. Step 2: Convert to fraction form
    1,411,609.72/2,116,223.66 = 612,289.48/x
  3. Step 3: Cross multiply
    1,411,609.72x = 2,116,223.66 × 612,289.48
  4. Step 4: Simplify right side
    1,411,609.72x = 1,295,741,484,345.10
  5. Step 5: Solve for x
    x = 1,295,741,484,345.10/1,411,609.72
  6. Step 6: Final answer
    x = 917,917.66

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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.