Home / 438,936.66-658,357.14-297,689.26

Finding the Fourth Proportional to 438,936.66, 658,357.14 and 297,689.26

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Solution

The fourth proportional to 438,936.66, 658,357.14 and 297,689.26 is: 446,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,936.66 : 658,357.14 = 297,689.26 : x
  2. Step 2: Convert to fraction form
    438,936.66/658,357.14 = 297,689.26/x
  3. Step 3: Cross multiply
    438,936.66x = 658,357.14 × 297,689.26
  4. Step 4: Simplify right side
    438,936.66x = 195,985,849,822.32
  5. Step 5: Solve for x
    x = 195,985,849,822.32/438,936.66
  6. Step 6: Final answer
    x = 446,501.44

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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.