Home / 503,823.82-695,157.48-285,984.04

Finding the Fourth Proportional to 503,823.82, 695,157.48 and 285,984.04

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Solution

The fourth proportional to 503,823.82, 695,157.48 and 285,984.04 is: 394,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,823.82 : 695,157.48 = 285,984.04 : x
  2. Step 2: Convert to fraction form
    503,823.82/695,157.48 = 285,984.04/x
  3. Step 3: Cross multiply
    503,823.82x = 695,157.48 × 285,984.04
  4. Step 4: Simplify right side
    503,823.82x = 198,803,944,566.62
  5. Step 5: Solve for x
    x = 198,803,944,566.62/503,823.82
  6. Step 6: Final answer
    x = 394,590.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.