Home / 628,305.29-867,065.07-341,827.44

Finding the Fourth Proportional to 628,305.29, 867,065.07 and 341,827.44

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Solution

The fourth proportional to 628,305.29, 867,065.07 and 341,827.44 is: 471,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,305.29 : 867,065.07 = 341,827.44 : x
  2. Step 2: Convert to fraction form
    628,305.29/867,065.07 = 341,827.44/x
  3. Step 3: Cross multiply
    628,305.29x = 867,065.07 × 341,827.44
  4. Step 4: Simplify right side
    628,305.29x = 296,386,633,191.52
  5. Step 5: Solve for x
    x = 296,386,633,191.52/628,305.29
  6. Step 6: Final answer
    x = 471,723.92

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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.