Home / 656,209.35-905,302.58-401,708.16

Finding the Fourth Proportional to 656,209.35, 905,302.58 and 401,708.16

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Solution

The fourth proportional to 656,209.35, 905,302.58 and 401,708.16 is: 554,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,209.35 : 905,302.58 = 401,708.16 : x
  2. Step 2: Convert to fraction form
    656,209.35/905,302.58 = 401,708.16/x
  3. Step 3: Cross multiply
    656,209.35x = 905,302.58 × 401,708.16
  4. Step 4: Simplify right side
    656,209.35x = 363,667,431,646.51
  5. Step 5: Solve for x
    x = 363,667,431,646.51/656,209.35
  6. Step 6: Final answer
    x = 554,194.22

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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.