Home / 885,743.70-1,328,615.55-413,351.70

Finding the Fourth Proportional to 885,743.70, 1,328,615.55 and 413,351.70

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Solution

The fourth proportional to 885,743.70, 1,328,615.55 and 413,351.70 is: 620,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,743.70 : 1,328,615.55 = 413,351.70 : x
  2. Step 2: Convert to fraction form
    885,743.70/1,328,615.55 = 413,351.70/x
  3. Step 3: Cross multiply
    885,743.70x = 1,328,615.55 × 413,351.70
  4. Step 4: Simplify right side
    885,743.70x = 549,185,496,238.94
  5. Step 5: Solve for x
    x = 549,185,496,238.94/885,743.70
  6. Step 6: Final answer
    x = 620,027.55

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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.