Home / 813,734.82-1,122,895.11-446,153.10

Finding the Fourth Proportional to 813,734.82, 1,122,895.11 and 446,153.10

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Solution

The fourth proportional to 813,734.82, 1,122,895.11 and 446,153.10 is: 615,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,734.82 : 1,122,895.11 = 446,153.10 : x
  2. Step 2: Convert to fraction form
    813,734.82/1,122,895.11 = 446,153.10/x
  3. Step 3: Cross multiply
    813,734.82x = 1,122,895.11 × 446,153.10
  4. Step 4: Simplify right side
    813,734.82x = 500,983,134,301.34
  5. Step 5: Solve for x
    x = 500,983,134,301.34/813,734.82
  6. Step 6: Final answer
    x = 615,658.96

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Double scale
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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.