Home / 1,131,349.25-1,696,579.17-411,520.07

Finding the Fourth Proportional to 1,131,349.25, 1,696,579.17 and 411,520.07

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Solution

The fourth proportional to 1,131,349.25, 1,696,579.17 and 411,520.07 is: 617,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,349.25 : 1,696,579.17 = 411,520.07 : x
  2. Step 2: Convert to fraction form
    1,131,349.25/1,696,579.17 = 411,520.07/x
  3. Step 3: Cross multiply
    1,131,349.25x = 1,696,579.17 × 411,520.07
  4. Step 4: Simplify right side
    1,131,349.25x = 698,176,370,316.05
  5. Step 5: Solve for x
    x = 698,176,370,316.05/1,131,349.25
  6. Step 6: Final answer
    x = 617,118.34

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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.