Home / 374,501.75-516,784.37-213,325.29

Finding the Fourth Proportional to 374,501.75, 516,784.37 and 213,325.29

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Solution

The fourth proportional to 374,501.75, 516,784.37 and 213,325.29 is: 294,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,501.75 : 516,784.37 = 213,325.29 : x
  2. Step 2: Convert to fraction form
    374,501.75/516,784.37 = 213,325.29/x
  3. Step 3: Cross multiply
    374,501.75x = 516,784.37 × 213,325.29
  4. Step 4: Simplify right side
    374,501.75x = 110,243,174,531.09
  5. Step 5: Solve for x
    x = 110,243,174,531.09/374,501.75
  6. Step 6: Final answer
    x = 294,372.93

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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.