Home / 440,011.36-607,215.92-238,807.36

Finding the Fourth Proportional to 440,011.36, 607,215.92 and 238,807.36

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Solution

The fourth proportional to 440,011.36, 607,215.92 and 238,807.36 is: 329,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,011.36 : 607,215.92 = 238,807.36 : x
  2. Step 2: Convert to fraction form
    440,011.36/607,215.92 = 238,807.36/x
  3. Step 3: Cross multiply
    440,011.36x = 607,215.92 × 238,807.36
  4. Step 4: Simplify right side
    440,011.36x = 145,007,627,626.21
  5. Step 5: Solve for x
    x = 145,007,627,626.21/440,011.36
  6. Step 6: Final answer
    x = 329,554.28

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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.