Home / 440,055.72-607,278.06-238,851.72

Finding the Fourth Proportional to 440,055.72, 607,278.06 and 238,851.72

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Solution

The fourth proportional to 440,055.72, 607,278.06 and 238,851.72 is: 329,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,055.72 : 607,278.06 = 238,851.72 : x
  2. Step 2: Convert to fraction form
    440,055.72/607,278.06 = 238,851.72/x
  3. Step 3: Cross multiply
    440,055.72x = 607,278.06 × 238,851.72
  4. Step 4: Simplify right side
    440,055.72x = 145,049,409,149.26
  5. Step 5: Solve for x
    x = 145,049,409,149.26/440,055.72
  6. Step 6: Final answer
    x = 329,616.01

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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.