Home / 1,214,920.30-1,822,380.45-541,000.30

Finding the Fourth Proportional to 1,214,920.30, 1,822,380.45 and 541,000.30

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Solution

The fourth proportional to 1,214,920.30, 1,822,380.45 and 541,000.30 is: 811,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,920.30 : 1,822,380.45 = 541,000.30 : x
  2. Step 2: Convert to fraction form
    1,214,920.30/1,822,380.45 = 541,000.30/x
  3. Step 3: Cross multiply
    1,214,920.30x = 1,822,380.45 × 541,000.30
  4. Step 4: Simplify right side
    1,214,920.30x = 985,908,370,164.14
  5. Step 5: Solve for x
    x = 985,908,370,164.14/1,214,920.30
  6. Step 6: Final answer
    x = 811,500.45

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Double scale
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Similar ratio
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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.