Home / 607,938.66-838,998.79-336,000.71

Finding the Fourth Proportional to 607,938.66, 838,998.79 and 336,000.71

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Solution

The fourth proportional to 607,938.66, 838,998.79 and 336,000.71 is: 463,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,938.66 : 838,998.79 = 336,000.71 : x
  2. Step 2: Convert to fraction form
    607,938.66/838,998.79 = 336,000.71/x
  3. Step 3: Cross multiply
    607,938.66x = 838,998.79 × 336,000.71
  4. Step 4: Simplify right side
    607,938.66x = 281,904,185,774.15
  5. Step 5: Solve for x
    x = 281,904,185,774.15/607,938.66
  6. Step 6: Final answer
    x = 463,704.98

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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.