Home / 1,131,309.45-1,696,519.47-411,480.27

Finding the Fourth Proportional to 1,131,309.45, 1,696,519.47 and 411,480.27

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Solution

The fourth proportional to 1,131,309.45, 1,696,519.47 and 411,480.27 is: 617,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,309.45 : 1,696,519.47 = 411,480.27 : x
  2. Step 2: Convert to fraction form
    1,131,309.45/1,696,519.47 = 411,480.27/x
  3. Step 3: Cross multiply
    1,131,309.45x = 1,696,519.47 × 411,480.27
  4. Step 4: Simplify right side
    1,131,309.45x = 698,084,289,575.86
  5. Step 5: Solve for x
    x = 698,084,289,575.86/1,131,309.45
  6. Step 6: Final answer
    x = 617,058.66

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1.5x scale

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.