Home / 469,916.49-648,486.01-255,056.56

Finding the Fourth Proportional to 469,916.49, 648,486.01 and 255,056.56

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Solution

The fourth proportional to 469,916.49, 648,486.01 and 255,056.56 is: 351,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,916.49 : 648,486.01 = 255,056.56 : x
  2. Step 2: Convert to fraction form
    469,916.49/648,486.01 = 255,056.56/x
  3. Step 3: Cross multiply
    469,916.49x = 648,486.01 × 255,056.56
  4. Step 4: Simplify right side
    469,916.49x = 165,400,610,886.94
  5. Step 5: Solve for x
    x = 165,400,610,886.94/469,916.49
  6. Step 6: Final answer
    x = 351,978.73

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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.