Home / 740,453.67-1,110,460.44-313,983.21

Finding the Fourth Proportional to 740,453.67, 1,110,460.44 and 313,983.21

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Solution

The fourth proportional to 740,453.67, 1,110,460.44 and 313,983.21 is: 470,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,453.67 : 1,110,460.44 = 313,983.21 : x
  2. Step 2: Convert to fraction form
    740,453.67/1,110,460.44 = 313,983.21/x
  3. Step 3: Cross multiply
    740,453.67x = 1,110,460.44 × 313,983.21
  4. Step 4: Simplify right side
    740,453.67x = 348,665,930,542.42
  5. Step 5: Solve for x
    x = 348,665,930,542.42/740,453.67
  6. Step 6: Final answer
    x = 470,881.49

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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.