Home / 682,931.20-942,497.28-377,066.56

Finding the Fourth Proportional to 682,931.20, 942,497.28 and 377,066.56

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Solution

The fourth proportional to 682,931.20, 942,497.28 and 377,066.56 is: 520,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,931.20 : 942,497.28 = 377,066.56 : x
  2. Step 2: Convert to fraction form
    682,931.20/942,497.28 = 377,066.56/x
  3. Step 3: Cross multiply
    682,931.20x = 942,497.28 × 377,066.56
  4. Step 4: Simplify right side
    682,931.20x = 355,384,207,178.96
  5. Step 5: Solve for x
    x = 355,384,207,178.96/682,931.20
  6. Step 6: Final answer
    x = 520,380.69

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Double scale
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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.