Home / 1,237,543.96-1,856,317.42-338,993.45

Finding the Fourth Proportional to 1,237,543.96, 1,856,317.42 and 338,993.45

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Solution

The fourth proportional to 1,237,543.96, 1,856,317.42 and 338,993.45 is: 508,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,543.96 : 1,856,317.42 = 338,993.45 : x
  2. Step 2: Convert to fraction form
    1,237,543.96/1,856,317.42 = 338,993.45/x
  3. Step 3: Cross multiply
    1,237,543.96x = 1,856,317.42 × 338,993.45
  4. Step 4: Simplify right side
    1,237,543.96x = 629,279,438,066.80
  5. Step 5: Solve for x
    x = 629,279,438,066.80/1,237,543.96
  6. Step 6: Final answer
    x = 508,490.57

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Double scale
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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.