Home / 615,532.05-923,623.18-436,772.61

Finding the Fourth Proportional to 615,532.05, 923,623.18 and 436,772.61

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Solution

The fourth proportional to 615,532.05, 923,623.18 and 436,772.61 is: 655,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,532.05 : 923,623.18 = 436,772.61 : x
  2. Step 2: Convert to fraction form
    615,532.05/923,623.18 = 436,772.61/x
  3. Step 3: Cross multiply
    615,532.05x = 923,623.18 × 436,772.61
  4. Step 4: Simplify right side
    615,532.05x = 403,413,305,893.17
  5. Step 5: Solve for x
    x = 403,413,305,893.17/615,532.05
  6. Step 6: Final answer
    x = 655,389.60

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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.