Home / 841,462.82-1,261,259.24-641,122.70

Finding the Fourth Proportional to 841,462.82, 1,261,259.24 and 641,122.70

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Solution

The fourth proportional to 841,462.82, 1,261,259.24 and 641,122.70 is: 960,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,462.82 : 1,261,259.24 = 641,122.70 : x
  2. Step 2: Convert to fraction form
    841,462.82/1,261,259.24 = 641,122.70/x
  3. Step 3: Cross multiply
    841,462.82x = 1,261,259.24 × 641,122.70
  4. Step 4: Simplify right side
    841,462.82x = 808,621,929,348.75
  5. Step 5: Solve for x
    x = 808,621,929,348.75/841,462.82
  6. Step 6: Final answer
    x = 960,971.67

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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.