Home / 891,997.69-1,230,778.74-542,904.27

Finding the Fourth Proportional to 891,997.69, 1,230,778.74 and 542,904.27

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Solution

The fourth proportional to 891,997.69, 1,230,778.74 and 542,904.27 is: 749,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,997.69 : 1,230,778.74 = 542,904.27 : x
  2. Step 2: Convert to fraction form
    891,997.69/1,230,778.74 = 542,904.27/x
  3. Step 3: Cross multiply
    891,997.69x = 1,230,778.74 × 542,904.27
  4. Step 4: Simplify right side
    891,997.69x = 668,195,033,371.22
  5. Step 5: Solve for x
    x = 668,195,033,371.22/891,997.69
  6. Step 6: Final answer
    x = 749,099.51

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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.