Home / 683,150.53-942,830.85-396,670.61

Finding the Fourth Proportional to 683,150.53, 942,830.85 and 396,670.61

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Solution

The fourth proportional to 683,150.53, 942,830.85 and 396,670.61 is: 547,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,150.53 : 942,830.85 = 396,670.61 : x
  2. Step 2: Convert to fraction form
    683,150.53/942,830.85 = 396,670.61/x
  3. Step 3: Cross multiply
    683,150.53x = 942,830.85 × 396,670.61
  4. Step 4: Simplify right side
    683,150.53x = 373,993,283,682.16
  5. Step 5: Solve for x
    x = 373,993,283,682.16/683,150.53
  6. Step 6: Final answer
    x = 547,453.70

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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.