Home / 698,719.33-964,112.53-392,753.26

Finding the Fourth Proportional to 698,719.33, 964,112.53 and 392,753.26

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Solution

The fourth proportional to 698,719.33, 964,112.53 and 392,753.26 is: 541,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,719.33 : 964,112.53 = 392,753.26 : x
  2. Step 2: Convert to fraction form
    698,719.33/964,112.53 = 392,753.26/x
  3. Step 3: Cross multiply
    698,719.33x = 964,112.53 × 392,753.26
  4. Step 4: Simplify right side
    698,719.33x = 378,658,339,164.35
  5. Step 5: Solve for x
    x = 378,658,339,164.35/698,719.33
  6. Step 6: Final answer
    x = 541,931.96

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1.5x scale

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.