Home / 471,905.48-651,239.52-257,045.04

Finding the Fourth Proportional to 471,905.48, 651,239.52 and 257,045.04

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Solution

The fourth proportional to 471,905.48, 651,239.52 and 257,045.04 is: 354,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,905.48 : 651,239.52 = 257,045.04 : x
  2. Step 2: Convert to fraction form
    471,905.48/651,239.52 = 257,045.04/x
  3. Step 3: Cross multiply
    471,905.48x = 651,239.52 × 257,045.04
  4. Step 4: Simplify right side
    471,905.48x = 167,397,888,467.98
  5. Step 5: Solve for x
    x = 167,397,888,467.98/471,905.48
  6. Step 6: Final answer
    x = 354,727.58

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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.