Home / 695,372.90-1,042,895.71-189,813.68

Finding the Fourth Proportional to 695,372.90, 1,042,895.71 and 189,813.68

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Solution

The fourth proportional to 695,372.90, 1,042,895.71 and 189,813.68 is: 284,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,372.90 : 1,042,895.71 = 189,813.68 : x
  2. Step 2: Convert to fraction form
    695,372.90/1,042,895.71 = 189,813.68/x
  3. Step 3: Cross multiply
    695,372.90x = 1,042,895.71 × 189,813.68
  4. Step 4: Simplify right side
    695,372.90x = 197,955,870,437.26
  5. Step 5: Solve for x
    x = 197,955,870,437.26/695,372.90
  6. Step 6: Final answer
    x = 284,675.85

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Double scale
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Similar ratio
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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.