Home / 448,414.62-671,874.58-315,056.13

Finding the Fourth Proportional to 448,414.62, 671,874.58 and 315,056.13

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Solution

The fourth proportional to 448,414.62, 671,874.58 and 315,056.13 is: 472,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,414.62 : 671,874.58 = 315,056.13 : x
  2. Step 2: Convert to fraction form
    448,414.62/671,874.58 = 315,056.13/x
  3. Step 3: Cross multiply
    448,414.62x = 671,874.58 × 315,056.13
  4. Step 4: Simplify right side
    448,414.62x = 211,678,205,020.18
  5. Step 5: Solve for x
    x = 211,678,205,020.18/448,414.62
  6. Step 6: Final answer
    x = 472,059.11

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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.