Home / 1,237,633.40-1,856,190.90-606,999.80

Finding the Fourth Proportional to 1,237,633.40, 1,856,190.90 and 606,999.80

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Solution

The fourth proportional to 1,237,633.40, 1,856,190.90 and 606,999.80 is: 910,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,633.40 : 1,856,190.90 = 606,999.80 : x
  2. Step 2: Convert to fraction form
    1,237,633.40/1,856,190.90 = 606,999.80/x
  3. Step 3: Cross multiply
    1,237,633.40x = 1,856,190.90 × 606,999.80
  4. Step 4: Simplify right side
    1,237,633.40x = 1,126,707,505,061.82
  5. Step 5: Solve for x
    x = 1,126,707,505,061.82/1,237,633.40
  6. Step 6: Final answer
    x = 910,372.57

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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.