Home / 654,201.45-902,665.53-382,216.77

Finding the Fourth Proportional to 654,201.45, 902,665.53 and 382,216.77

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Solution

The fourth proportional to 654,201.45, 902,665.53 and 382,216.77 is: 527,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,201.45 : 902,665.53 = 382,216.77 : x
  2. Step 2: Convert to fraction form
    654,201.45/902,665.53 = 382,216.77/x
  3. Step 3: Cross multiply
    654,201.45x = 902,665.53 × 382,216.77
  4. Step 4: Simplify right side
    654,201.45x = 345,013,903,266.94
  5. Step 5: Solve for x
    x = 345,013,903,266.94/654,201.45
  6. Step 6: Final answer
    x = 527,381.75

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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.