Home / 628,363.92-867,116.24-341,885.12

Finding the Fourth Proportional to 628,363.92, 867,116.24 and 341,885.12

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Solution

The fourth proportional to 628,363.92, 867,116.24 and 341,885.12 is: 471,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,363.92 : 867,116.24 = 341,885.12 : x
  2. Step 2: Convert to fraction form
    628,363.92/867,116.24 = 341,885.12/x
  3. Step 3: Cross multiply
    628,363.92x = 867,116.24 × 341,885.12
  4. Step 4: Simplify right side
    628,363.92x = 296,454,139,766.35
  5. Step 5: Solve for x
    x = 296,454,139,766.35/628,363.92
  6. Step 6: Final answer
    x = 471,787.34

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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.