Home / 427,657.12-590,185.35-236,670.57

Finding the Fourth Proportional to 427,657.12, 590,185.35 and 236,670.57

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Solution

The fourth proportional to 427,657.12, 590,185.35 and 236,670.57 is: 326,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,657.12 : 590,185.35 = 236,670.57 : x
  2. Step 2: Convert to fraction form
    427,657.12/590,185.35 = 236,670.57/x
  3. Step 3: Cross multiply
    427,657.12x = 590,185.35 × 236,670.57
  4. Step 4: Simplify right side
    427,657.12x = 139,679,502,006.80
  5. Step 5: Solve for x
    x = 139,679,502,006.80/427,657.12
  6. Step 6: Final answer
    x = 326,615.64

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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.