Home / 1,286,523.57-1,927,349.52-858,769.59

Finding the Fourth Proportional to 1,286,523.57, 1,927,349.52 and 858,769.59

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Solution

The fourth proportional to 1,286,523.57, 1,927,349.52 and 858,769.59 is: 1,286,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,523.57 : 1,927,349.52 = 858,769.59 : x
  2. Step 2: Convert to fraction form
    1,286,523.57/1,927,349.52 = 858,769.59/x
  3. Step 3: Cross multiply
    1,286,523.57x = 1,927,349.52 × 858,769.59
  4. Step 4: Simplify right side
    1,286,523.57x = 1,655,149,157,077.10
  5. Step 5: Solve for x
    x = 1,655,149,157,077.10/1,286,523.57
  6. Step 6: Final answer
    x = 1,286,528.44

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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.