Home / 658,341.16-987,511.74-185,074.36

Finding the Fourth Proportional to 658,341.16, 987,511.74 and 185,074.36

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Solution

The fourth proportional to 658,341.16, 987,511.74 and 185,074.36 is: 277,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,341.16 : 987,511.74 = 185,074.36 : x
  2. Step 2: Convert to fraction form
    658,341.16/987,511.74 = 185,074.36/x
  3. Step 3: Cross multiply
    658,341.16x = 987,511.74 × 185,074.36
  4. Step 4: Simplify right side
    658,341.16x = 182,763,103,272.99
  5. Step 5: Solve for x
    x = 182,763,103,272.99/658,341.16
  6. Step 6: Final answer
    x = 277,611.54

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