Home / 628,410.39-867,224.79-341,948.93

Finding the Fourth Proportional to 628,410.39, 867,224.79 and 341,948.93

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Solution

The fourth proportional to 628,410.39, 867,224.79 and 341,948.93 is: 471,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,410.39 : 867,224.79 = 341,948.93 : x
  2. Step 2: Convert to fraction form
    628,410.39/867,224.79 = 341,948.93/x
  3. Step 3: Cross multiply
    628,410.39x = 867,224.79 × 341,948.93
  4. Step 4: Simplify right side
    628,410.39x = 296,546,589,009.98
  5. Step 5: Solve for x
    x = 296,546,589,009.98/628,410.39
  6. Step 6: Final answer
    x = 471,899.56

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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.