Home / 1,230,911.10-1,846,181.97-389,353.50

Finding the Fourth Proportional to 1,230,911.10, 1,846,181.97 and 389,353.50

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Solution

The fourth proportional to 1,230,911.10, 1,846,181.97 and 389,353.50 is: 583,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,911.10 : 1,846,181.97 = 389,353.50 : x
  2. Step 2: Convert to fraction form
    1,230,911.10/1,846,181.97 = 389,353.50/x
  3. Step 3: Cross multiply
    1,230,911.10x = 1,846,181.97 × 389,353.50
  4. Step 4: Simplify right side
    1,230,911.10x = 718,817,411,656.40
  5. Step 5: Solve for x
    x = 718,817,411,656.40/1,230,911.10
  6. Step 6: Final answer
    x = 583,971.83

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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.