Home / 814,136.38-1,122,772.65-508,241.03

Finding the Fourth Proportional to 814,136.38, 1,122,772.65 and 508,241.03

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Solution

The fourth proportional to 814,136.38, 1,122,772.65 and 508,241.03 is: 700,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,136.38 : 1,122,772.65 = 508,241.03 : x
  2. Step 2: Convert to fraction form
    814,136.38/1,122,772.65 = 508,241.03/x
  3. Step 3: Cross multiply
    814,136.38x = 1,122,772.65 × 508,241.03
  4. Step 4: Simplify right side
    814,136.38x = 570,639,130,461.25
  5. Step 5: Solve for x
    x = 570,639,130,461.25/814,136.38
  6. Step 6: Final answer
    x = 700,913.44

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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.