Home / 756,156.25-1,043,498.87-416,617.21

Finding the Fourth Proportional to 756,156.25, 1,043,498.87 and 416,617.21

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Solution

The fourth proportional to 756,156.25, 1,043,498.87 and 416,617.21 is: 574,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,156.25 : 1,043,498.87 = 416,617.21 : x
  2. Step 2: Convert to fraction form
    756,156.25/1,043,498.87 = 416,617.21/x
  3. Step 3: Cross multiply
    756,156.25x = 1,043,498.87 × 416,617.21
  4. Step 4: Simplify right side
    756,156.25x = 434,739,587,857.55
  5. Step 5: Solve for x
    x = 434,739,587,857.55/756,156.25
  6. Step 6: Final answer
    x = 574,933.54

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Double scale
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1.5x scale

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.