Home / 469,916.33-648,467.15-255,051.78

Finding the Fourth Proportional to 469,916.33, 648,467.15 and 255,051.78

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Solution

The fourth proportional to 469,916.33, 648,467.15 and 255,051.78 is: 351,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,916.33 : 648,467.15 = 255,051.78 : x
  2. Step 2: Convert to fraction form
    469,916.33/648,467.15 = 255,051.78/x
  3. Step 3: Cross multiply
    469,916.33x = 648,467.15 × 255,051.78
  4. Step 4: Simplify right side
    469,916.33x = 165,392,699,603.77
  5. Step 5: Solve for x
    x = 165,392,699,603.77/469,916.33
  6. Step 6: Final answer
    x = 351,962.02

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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.