Home / 683,224.90-942,840.50-377,314.22

Finding the Fourth Proportional to 683,224.90, 942,840.50 and 377,314.22

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Solution

The fourth proportional to 683,224.90, 942,840.50 and 377,314.22 is: 520,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,224.90 : 942,840.50 = 377,314.22 : x
  2. Step 2: Convert to fraction form
    683,224.90/942,840.50 = 377,314.22/x
  3. Step 3: Cross multiply
    683,224.90x = 942,840.50 × 377,314.22
  4. Step 4: Simplify right side
    683,224.90x = 355,747,131,142.30
  5. Step 5: Solve for x
    x = 355,747,131,142.30/683,224.90
  6. Step 6: Final answer
    x = 520,688.18

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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.