Home / 1,503,693.92-2,255,617.20-438,816.80

Finding the Fourth Proportional to 1,503,693.92, 2,255,617.20 and 438,816.80

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Solution

The fourth proportional to 1,503,693.92, 2,255,617.20 and 438,816.80 is: 658,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,693.92 : 2,255,617.20 = 438,816.80 : x
  2. Step 2: Convert to fraction form
    1,503,693.92/2,255,617.20 = 438,816.80/x
  3. Step 3: Cross multiply
    1,503,693.92x = 2,255,617.20 × 438,816.80
  4. Step 4: Simplify right side
    1,503,693.92x = 989,802,721,728.96
  5. Step 5: Solve for x
    x = 989,802,721,728.96/1,503,693.92
  6. Step 6: Final answer
    x = 658,247.47

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Double scale
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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.