Home / 683,943.75-1,025,915.63-185,307.75

Finding the Fourth Proportional to 683,943.75, 1,025,915.63 and 185,307.75

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Solution

The fourth proportional to 683,943.75, 1,025,915.63 and 185,307.75 is: 277,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,943.75 : 1,025,915.63 = 185,307.75 : x
  2. Step 2: Convert to fraction form
    683,943.75/1,025,915.63 = 185,307.75/x
  3. Step 3: Cross multiply
    683,943.75x = 1,025,915.63 × 185,307.75
  4. Step 4: Simplify right side
    683,943.75x = 190,110,116,158.59
  5. Step 5: Solve for x
    x = 190,110,116,158.59/683,943.75
  6. Step 6: Final answer
    x = 277,961.63

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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.