Home / 440,104.60-607,342.08-238,900.60

Finding the Fourth Proportional to 440,104.60, 607,342.08 and 238,900.60

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Solution

The fourth proportional to 440,104.60, 607,342.08 and 238,900.60 is: 329,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,104.60 : 607,342.08 = 238,900.60 : x
  2. Step 2: Convert to fraction form
    440,104.60/607,342.08 = 238,900.60/x
  3. Step 3: Cross multiply
    440,104.60x = 607,342.08 × 238,900.60
  4. Step 4: Simplify right side
    440,104.60x = 145,094,387,317.25
  5. Step 5: Solve for x
    x = 145,094,387,317.25/440,104.60
  6. Step 6: Final answer
    x = 329,681.60

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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.