Home / 886,902.30-1,330,353.45-381,705.30

Finding the Fourth Proportional to 886,902.30, 1,330,353.45 and 381,705.30

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Solution

The fourth proportional to 886,902.30, 1,330,353.45 and 381,705.30 is: 572,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,902.30 : 1,330,353.45 = 381,705.30 : x
  2. Step 2: Convert to fraction form
    886,902.30/1,330,353.45 = 381,705.30/x
  3. Step 3: Cross multiply
    886,902.30x = 1,330,353.45 × 381,705.30
  4. Step 4: Simplify right side
    886,902.30x = 507,802,962,738.29
  5. Step 5: Solve for x
    x = 507,802,962,738.29/886,902.30
  6. Step 6: Final answer
    x = 572,557.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.