Home / 382,553.80-528,025.62-269,427.40

Finding the Fourth Proportional to 382,553.80, 528,025.62 and 269,427.40

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Solution

The fourth proportional to 382,553.80, 528,025.62 and 269,427.40 is: 371,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,553.80 : 528,025.62 = 269,427.40 : x
  2. Step 2: Convert to fraction form
    382,553.80/528,025.62 = 269,427.40/x
  3. Step 3: Cross multiply
    382,553.80x = 528,025.62 × 269,427.40
  4. Step 4: Simplify right side
    382,553.80x = 142,264,569,929.99
  5. Step 5: Solve for x
    x = 142,264,569,929.99/382,553.80
  6. Step 6: Final answer
    x = 371,881.21

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1.5x scale

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.