Home / 824,936.40-1,237,404.60-405,032.40

Finding the Fourth Proportional to 824,936.40, 1,237,404.60 and 405,032.40

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Solution

The fourth proportional to 824,936.40, 1,237,404.60 and 405,032.40 is: 607,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,936.40 : 1,237,404.60 = 405,032.40 : x
  2. Step 2: Convert to fraction form
    824,936.40/1,237,404.60 = 405,032.40/x
  3. Step 3: Cross multiply
    824,936.40x = 1,237,404.60 × 405,032.40
  4. Step 4: Simplify right side
    824,936.40x = 501,188,954,909.04
  5. Step 5: Solve for x
    x = 501,188,954,909.04/824,936.40
  6. Step 6: Final answer
    x = 607,548.60

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Double scale
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Similar ratio
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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.