Home / 683,870.30-1,025,805.45-185,234.30

Finding the Fourth Proportional to 683,870.30, 1,025,805.45 and 185,234.30

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Solution

The fourth proportional to 683,870.30, 1,025,805.45 and 185,234.30 is: 277,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,870.30 : 1,025,805.45 = 185,234.30 : x
  2. Step 2: Convert to fraction form
    683,870.30/1,025,805.45 = 185,234.30/x
  3. Step 3: Cross multiply
    683,870.30x = 1,025,805.45 × 185,234.30
  4. Step 4: Simplify right side
    683,870.30x = 190,014,354,466.94
  5. Step 5: Solve for x
    x = 190,014,354,466.94/683,870.30
  6. Step 6: Final answer
    x = 277,851.45

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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.