Home / 683,750.40-1,025,625.60-185,113.60

Finding the Fourth Proportional to 683,750.40, 1,025,625.60 and 185,113.60

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Solution

The fourth proportional to 683,750.40, 1,025,625.60 and 185,113.60 is: 277,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,750.40 : 1,025,625.60 = 185,113.60 : x
  2. Step 2: Convert to fraction form
    683,750.40/1,025,625.60 = 185,113.60/x
  3. Step 3: Cross multiply
    683,750.40x = 1,025,625.60 × 185,113.60
  4. Step 4: Simplify right side
    683,750.40x = 189,857,247,068.16
  5. Step 5: Solve for x
    x = 189,857,247,068.16/683,750.40
  6. Step 6: Final answer
    x = 277,670.40

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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.