Home / 440,837.45-607,792.55-285,514.37

Finding the Fourth Proportional to 440,837.45, 607,792.55 and 285,514.37

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Solution

The fourth proportional to 440,837.45, 607,792.55 and 285,514.37 is: 393,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,837.45 : 607,792.55 = 285,514.37 : x
  2. Step 2: Convert to fraction form
    440,837.45/607,792.55 = 285,514.37/x
  3. Step 3: Cross multiply
    440,837.45x = 607,792.55 × 285,514.37
  4. Step 4: Simplify right side
    440,837.45x = 173,533,502,537.41
  5. Step 5: Solve for x
    x = 173,533,502,537.41/440,837.45
  6. Step 6: Final answer
    x = 393,645.11

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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.