Home / 762,166.62-1,143,250.34-193,590.36

Finding the Fourth Proportional to 762,166.62, 1,143,250.34 and 193,590.36

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Solution

The fourth proportional to 762,166.62, 1,143,250.34 and 193,590.36 is: 290,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,166.62 : 1,143,250.34 = 193,590.36 : x
  2. Step 2: Convert to fraction form
    762,166.62/1,143,250.34 = 193,590.36/x
  3. Step 3: Cross multiply
    762,166.62x = 1,143,250.34 × 193,590.36
  4. Step 4: Simplify right side
    762,166.62x = 221,322,243,922.77
  5. Step 5: Solve for x
    x = 221,322,243,922.77/762,166.62
  6. Step 6: Final answer
    x = 290,385.64

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Double scale
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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.