Home / 971,145.70-1,341,027.29-609,191.73

Finding the Fourth Proportional to 971,145.70, 1,341,027.29 and 609,191.73

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Solution

The fourth proportional to 971,145.70, 1,341,027.29 and 609,191.73 is: 841,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,145.70 : 1,341,027.29 = 609,191.73 : x
  2. Step 2: Convert to fraction form
    971,145.70/1,341,027.29 = 609,191.73/x
  3. Step 3: Cross multiply
    971,145.70x = 1,341,027.29 × 609,191.73
  4. Step 4: Simplify right side
    971,145.70x = 816,942,734,772.31
  5. Step 5: Solve for x
    x = 816,942,734,772.31/971,145.70
  6. Step 6: Final answer
    x = 841,215.42

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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.