Home / 1,236,700.70-1,853,971.05-479,059.10

Finding the Fourth Proportional to 1,236,700.70, 1,853,971.05 and 479,059.10

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Solution

The fourth proportional to 1,236,700.70, 1,853,971.05 and 479,059.10 is: 718,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,700.70 : 1,853,971.05 = 479,059.10 : x
  2. Step 2: Convert to fraction form
    1,236,700.70/1,853,971.05 = 479,059.10/x
  3. Step 3: Cross multiply
    1,236,700.70x = 1,853,971.05 × 479,059.10
  4. Step 4: Simplify right side
    1,236,700.70x = 888,161,702,639.06
  5. Step 5: Solve for x
    x = 888,161,702,639.06/1,236,700.70
  6. Step 6: Final answer
    x = 718,170.29

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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.