Home / 697,165.38-1,045,638.72-191,764.26

Finding the Fourth Proportional to 697,165.38, 1,045,638.72 and 191,764.26

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Solution

The fourth proportional to 697,165.38, 1,045,638.72 and 191,764.26 is: 287,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,165.38 : 1,045,638.72 = 191,764.26 : x
  2. Step 2: Convert to fraction form
    697,165.38/1,045,638.72 = 191,764.26/x
  3. Step 3: Cross multiply
    697,165.38x = 1,045,638.72 × 191,764.26
  4. Step 4: Simplify right side
    697,165.38x = 200,516,135,368.15
  5. Step 5: Solve for x
    x = 200,516,135,368.15/697,165.38
  6. Step 6: Final answer
    x = 287,616.31

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1.5x scale

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.