Home / 579,233.90-869,110.05-263,528.30

Finding the Fourth Proportional to 579,233.90, 869,110.05 and 263,528.30

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Solution

The fourth proportional to 579,233.90, 869,110.05 and 263,528.30 is: 395,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,233.90 : 869,110.05 = 263,528.30 : x
  2. Step 2: Convert to fraction form
    579,233.90/869,110.05 = 263,528.30/x
  3. Step 3: Cross multiply
    579,233.90x = 869,110.05 × 263,528.30
  4. Step 4: Simplify right side
    579,233.90x = 229,035,093,989.42
  5. Step 5: Solve for x
    x = 229,035,093,989.42/579,233.90
  6. Step 6: Final answer
    x = 395,410.38

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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.