Home / 1,214,676.30-1,822,014.45-415,886.70

Finding the Fourth Proportional to 1,214,676.30, 1,822,014.45 and 415,886.70

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Solution

The fourth proportional to 1,214,676.30, 1,822,014.45 and 415,886.70 is: 623,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,676.30 : 1,822,014.45 = 415,886.70 : x
  2. Step 2: Convert to fraction form
    1,214,676.30/1,822,014.45 = 415,886.70/x
  3. Step 3: Cross multiply
    1,214,676.30x = 1,822,014.45 × 415,886.70
  4. Step 4: Simplify right side
    1,214,676.30x = 757,751,576,962.82
  5. Step 5: Solve for x
    x = 757,751,576,962.82/1,214,676.30
  6. Step 6: Final answer
    x = 623,830.05

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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.