Home / 588,868.75-812,638.92-320,596.75

Finding the Fourth Proportional to 588,868.75, 812,638.92 and 320,596.75

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Solution

The fourth proportional to 588,868.75, 812,638.92 and 320,596.75 is: 442,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,868.75 : 812,638.92 = 320,596.75 : x
  2. Step 2: Convert to fraction form
    588,868.75/812,638.92 = 320,596.75/x
  3. Step 3: Cross multiply
    588,868.75x = 812,638.92 × 320,596.75
  4. Step 4: Simplify right side
    588,868.75x = 260,529,396,675.51
  5. Step 5: Solve for x
    x = 260,529,396,675.51/588,868.75
  6. Step 6: Final answer
    x = 442,423.54

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Double scale
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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.