Home / 683,803.76-1,025,666.75-185,128.88

Finding the Fourth Proportional to 683,803.76, 1,025,666.75 and 185,128.88

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Solution

The fourth proportional to 683,803.76, 1,025,666.75 and 185,128.88 is: 277,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,803.76 : 1,025,666.75 = 185,128.88 : x
  2. Step 2: Convert to fraction form
    683,803.76/1,025,666.75 = 185,128.88/x
  3. Step 3: Cross multiply
    683,803.76x = 1,025,666.75 × 185,128.88
  4. Step 4: Simplify right side
    683,803.76x = 189,880,532,015.23
  5. Step 5: Solve for x
    x = 189,880,532,015.23/683,803.76
  6. Step 6: Final answer
    x = 277,682.79

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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.