Home / 651,244.05-898,764.46-393,184.53

Finding the Fourth Proportional to 651,244.05, 898,764.46 and 393,184.53

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Solution

The fourth proportional to 651,244.05, 898,764.46 and 393,184.53 is: 542,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,244.05 : 898,764.46 = 393,184.53 : x
  2. Step 2: Convert to fraction form
    651,244.05/898,764.46 = 393,184.53/x
  3. Step 3: Cross multiply
    651,244.05x = 898,764.46 × 393,184.53
  4. Step 4: Simplify right side
    651,244.05x = 353,380,280,802.84
  5. Step 5: Solve for x
    x = 353,380,280,802.84/651,244.05
  6. Step 6: Final answer
    x = 542,623.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.