Home / 682,997.18-942,537.50-377,074.16

Finding the Fourth Proportional to 682,997.18, 942,537.50 and 377,074.16

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Solution

The fourth proportional to 682,997.18, 942,537.50 and 377,074.16 is: 520,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,997.18 : 942,537.50 = 377,074.16 : x
  2. Step 2: Convert to fraction form
    682,997.18/942,537.50 = 377,074.16/x
  3. Step 3: Cross multiply
    682,997.18x = 942,537.50 × 377,074.16
  4. Step 4: Simplify right side
    682,997.18x = 355,406,536,081
  5. Step 5: Solve for x
    x = 355,406,536,081/682,997.18
  6. Step 6: Final answer
    x = 520,363.11

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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.