Home / 891,014.51-1,336,454.63-283,778.33

Finding the Fourth Proportional to 891,014.51, 1,336,454.63 and 283,778.33

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Solution

The fourth proportional to 891,014.51, 1,336,454.63 and 283,778.33 is: 425,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,014.51 : 1,336,454.63 = 283,778.33 : x
  2. Step 2: Convert to fraction form
    891,014.51/1,336,454.63 = 283,778.33/x
  3. Step 3: Cross multiply
    891,014.51x = 1,336,454.63 × 283,778.33
  4. Step 4: Simplify right side
    891,014.51x = 379,256,864,944.41
  5. Step 5: Solve for x
    x = 379,256,864,944.41/891,014.51
  6. Step 6: Final answer
    x = 425,646.11

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Double scale
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Similar ratio
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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.