Home / 543,495.96-811,584.05-443,853.81

Finding the Fourth Proportional to 543,495.96, 811,584.05 and 443,853.81

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Solution

The fourth proportional to 543,495.96, 811,584.05 and 443,853.81 is: 662,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,495.96 : 811,584.05 = 443,853.81 : x
  2. Step 2: Convert to fraction form
    543,495.96/811,584.05 = 443,853.81/x
  3. Step 3: Cross multiply
    543,495.96x = 811,584.05 × 443,853.81
  4. Step 4: Simplify right side
    543,495.96x = 360,224,670,508.46
  5. Step 5: Solve for x
    x = 360,224,670,508.46/543,495.96
  6. Step 6: Final answer
    x = 662,791.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.