Home / 672,042.15-1,008,063.23-434,096.55

Finding the Fourth Proportional to 672,042.15, 1,008,063.23 and 434,096.55

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Solution

The fourth proportional to 672,042.15, 1,008,063.23 and 434,096.55 is: 651,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,042.15 : 1,008,063.23 = 434,096.55 : x
  2. Step 2: Convert to fraction form
    672,042.15/1,008,063.23 = 434,096.55/x
  3. Step 3: Cross multiply
    672,042.15x = 1,008,063.23 × 434,096.55
  4. Step 4: Simplify right side
    672,042.15x = 437,596,770,324.86
  5. Step 5: Solve for x
    x = 437,596,770,324.86/672,042.15
  6. Step 6: Final answer
    x = 651,144.83

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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.