Home / 730,571.48-1,008,233.40-408,307.31

Finding the Fourth Proportional to 730,571.48, 1,008,233.40 and 408,307.31

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Solution

The fourth proportional to 730,571.48, 1,008,233.40 and 408,307.31 is: 563,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,571.48 : 1,008,233.40 = 408,307.31 : x
  2. Step 2: Convert to fraction form
    730,571.48/1,008,233.40 = 408,307.31/x
  3. Step 3: Cross multiply
    730,571.48x = 1,008,233.40 × 408,307.31
  4. Step 4: Simplify right side
    730,571.48x = 411,669,073,348.33
  5. Step 5: Solve for x
    x = 411,669,073,348.33/730,571.48
  6. Step 6: Final answer
    x = 563,489.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.