Home / 899,401.18-1,241,191.40-491,528.26

Finding the Fourth Proportional to 899,401.18, 1,241,191.40 and 491,528.26

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Solution

The fourth proportional to 899,401.18, 1,241,191.40 and 491,528.26 is: 678,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,401.18 : 1,241,191.40 = 491,528.26 : x
  2. Step 2: Convert to fraction form
    899,401.18/1,241,191.40 = 491,528.26/x
  3. Step 3: Cross multiply
    899,401.18x = 1,241,191.40 × 491,528.26
  4. Step 4: Simplify right side
    899,401.18x = 610,080,649,168.96
  5. Step 5: Solve for x
    x = 610,080,649,168.96/899,401.18
  6. Step 6: Final answer
    x = 678,318.71

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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.