Home / 440,048.72-607,268.40-238,844.72

Finding the Fourth Proportional to 440,048.72, 607,268.40 and 238,844.72

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Solution

The fourth proportional to 440,048.72, 607,268.40 and 238,844.72 is: 329,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,048.72 : 607,268.40 = 238,844.72 : x
  2. Step 2: Convert to fraction form
    440,048.72/607,268.40 = 238,844.72/x
  3. Step 3: Cross multiply
    440,048.72x = 607,268.40 × 238,844.72
  4. Step 4: Simplify right side
    440,048.72x = 145,042,850,962.85
  5. Step 5: Solve for x
    x = 145,042,850,962.85/440,048.72
  6. Step 6: Final answer
    x = 329,606.35

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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.