Home / 683,150.03-942,830.16-396,670.11

Finding the Fourth Proportional to 683,150.03, 942,830.16 and 396,670.11

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Solution

The fourth proportional to 683,150.03, 942,830.16 and 396,670.11 is: 547,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,150.03 : 942,830.16 = 396,670.11 : x
  2. Step 2: Convert to fraction form
    683,150.03/942,830.16 = 396,670.11/x
  3. Step 3: Cross multiply
    683,150.03x = 942,830.16 × 396,670.11
  4. Step 4: Simplify right side
    683,150.03x = 373,992,538,564.37
  5. Step 5: Solve for x
    x = 373,992,538,564.37/683,150.03
  6. Step 6: Final answer
    x = 547,453.01

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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.