Home / 814,135.59-1,122,772.05-508,240.17

Finding the Fourth Proportional to 814,135.59, 1,122,772.05 and 508,240.17

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Solution

The fourth proportional to 814,135.59, 1,122,772.05 and 508,240.17 is: 700,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,135.59 : 1,122,772.05 = 508,240.17 : x
  2. Step 2: Convert to fraction form
    814,135.59/1,122,772.05 = 508,240.17/x
  3. Step 3: Cross multiply
    814,135.59x = 1,122,772.05 × 508,240.17
  4. Step 4: Simplify right side
    814,135.59x = 570,637,857,563.25
  5. Step 5: Solve for x
    x = 570,637,857,563.25/814,135.59
  6. Step 6: Final answer
    x = 700,912.56

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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.