Home / 742,550.24-1,024,720.32-403,018.52

Finding the Fourth Proportional to 742,550.24, 1,024,720.32 and 403,018.52

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Solution

The fourth proportional to 742,550.24, 1,024,720.32 and 403,018.52 is: 556,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,550.24 : 1,024,720.32 = 403,018.52 : x
  2. Step 2: Convert to fraction form
    742,550.24/1,024,720.32 = 403,018.52/x
  3. Step 3: Cross multiply
    742,550.24x = 1,024,720.32 × 403,018.52
  4. Step 4: Simplify right side
    742,550.24x = 412,981,266,780.33
  5. Step 5: Solve for x
    x = 412,981,266,780.33/742,550.24
  6. Step 6: Final answer
    x = 556,166.09

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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.