Home / 440,317.68-607,637.88-239,112.24

Finding the Fourth Proportional to 440,317.68, 607,637.88 and 239,112.24

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Solution

The fourth proportional to 440,317.68, 607,637.88 and 239,112.24 is: 329,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,317.68 : 607,637.88 = 239,112.24 : x
  2. Step 2: Convert to fraction form
    440,317.68/607,637.88 = 239,112.24/x
  3. Step 3: Cross multiply
    440,317.68x = 607,637.88 × 239,112.24
  4. Step 4: Simplify right side
    440,317.68x = 145,293,654,595.65
  5. Step 5: Solve for x
    x = 145,293,654,595.65/440,317.68
  6. Step 6: Final answer
    x = 329,974.61

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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.