Home / 440,422.13-607,783.14-239,218.13

Finding the Fourth Proportional to 440,422.13, 607,783.14 and 239,218.13

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Solution

The fourth proportional to 440,422.13, 607,783.14 and 239,218.13 is: 330,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,422.13 : 607,783.14 = 239,218.13 : x
  2. Step 2: Convert to fraction form
    440,422.13/607,783.14 = 239,218.13/x
  3. Step 3: Cross multiply
    440,422.13x = 607,783.14 × 239,218.13
  4. Step 4: Simplify right side
    440,422.13x = 145,392,746,196.33
  5. Step 5: Solve for x
    x = 145,392,746,196.33/440,422.13
  6. Step 6: Final answer
    x = 330,121.35

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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.