Home / 800,631.55-1,104,861.70-438,050.19

Finding the Fourth Proportional to 800,631.55, 1,104,861.70 and 438,050.19

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Solution

The fourth proportional to 800,631.55, 1,104,861.70 and 438,050.19 is: 604,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,631.55 : 1,104,861.70 = 438,050.19 : x
  2. Step 2: Convert to fraction form
    800,631.55/1,104,861.70 = 438,050.19/x
  3. Step 3: Cross multiply
    800,631.55x = 1,104,861.70 × 438,050.19
  4. Step 4: Simplify right side
    800,631.55x = 483,984,877,608.72
  5. Step 5: Solve for x
    x = 483,984,877,608.72/800,631.55
  6. Step 6: Final answer
    x = 604,503.88

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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.