Home / 1,349,239.51-1,861,770.58-866,458.59

Finding the Fourth Proportional to 1,349,239.51, 1,861,770.58 and 866,458.59

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Solution

The fourth proportional to 1,349,239.51, 1,861,770.58 and 866,458.59 is: 1,195,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,239.51 : 1,861,770.58 = 866,458.59 : x
  2. Step 2: Convert to fraction form
    1,349,239.51/1,861,770.58 = 866,458.59/x
  3. Step 3: Cross multiply
    1,349,239.51x = 1,861,770.58 × 866,458.59
  4. Step 4: Simplify right side
    1,349,239.51x = 1,613,147,111,650.28
  5. Step 5: Solve for x
    x = 1,613,147,111,650.28/1,349,239.51
  6. Step 6: Final answer
    x = 1,195,597.30

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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.