Home / 357,916.41-535,706.37-263,121.48

Finding the Fourth Proportional to 357,916.41, 535,706.37 and 263,121.48

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Solution

The fourth proportional to 357,916.41, 535,706.37 and 263,121.48 is: 393,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,916.41 : 535,706.37 = 263,121.48 : x
  2. Step 2: Convert to fraction form
    357,916.41/535,706.37 = 263,121.48/x
  3. Step 3: Cross multiply
    357,916.41x = 535,706.37 × 263,121.48
  4. Step 4: Simplify right side
    357,916.41x = 140,955,852,919.83
  5. Step 5: Solve for x
    x = 140,955,852,919.83/357,916.41
  6. Step 6: Final answer
    x = 393,823.39

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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.