Home / 1,285,181.10-1,927,771.65-753,302.70

Finding the Fourth Proportional to 1,285,181.10, 1,927,771.65 and 753,302.70

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Solution

The fourth proportional to 1,285,181.10, 1,927,771.65 and 753,302.70 is: 1,129,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,181.10 : 1,927,771.65 = 753,302.70 : x
  2. Step 2: Convert to fraction form
    1,285,181.10/1,927,771.65 = 753,302.70/x
  3. Step 3: Cross multiply
    1,285,181.10x = 1,927,771.65 × 753,302.70
  4. Step 4: Simplify right side
    1,285,181.10x = 1,452,195,588,928.45
  5. Step 5: Solve for x
    x = 1,452,195,588,928.45/1,285,181.10
  6. Step 6: Final answer
    x = 1,129,954.05

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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.