Home / 891,552.75-1,230,342.78-509,587.73

Finding the Fourth Proportional to 891,552.75, 1,230,342.78 and 509,587.73

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Solution

The fourth proportional to 891,552.75, 1,230,342.78 and 509,587.73 is: 703,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,552.75 : 1,230,342.78 = 509,587.73 : x
  2. Step 2: Convert to fraction form
    891,552.75/1,230,342.78 = 509,587.73/x
  3. Step 3: Cross multiply
    891,552.75x = 1,230,342.78 × 509,587.73
  4. Step 4: Simplify right side
    891,552.75x = 626,967,575,682.44
  5. Step 5: Solve for x
    x = 626,967,575,682.44/891,552.75
  6. Step 6: Final answer
    x = 703,231.05

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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.