Home / 382,562.80-528,038.04-269,436.40

Finding the Fourth Proportional to 382,562.80, 528,038.04 and 269,436.40

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Solution

The fourth proportional to 382,562.80, 528,038.04 and 269,436.40 is: 371,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,562.80 : 528,038.04 = 269,436.40 : x
  2. Step 2: Convert to fraction form
    382,562.80/528,038.04 = 269,436.40/x
  3. Step 3: Cross multiply
    382,562.80x = 528,038.04 × 269,436.40
  4. Step 4: Simplify right side
    382,562.80x = 142,272,668,560.66
  5. Step 5: Solve for x
    x = 142,272,668,560.66/382,562.80
  6. Step 6: Final answer
    x = 371,893.63

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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.