Home / 1,651,654.71-2,279,279.76-916,721.56

Finding the Fourth Proportional to 1,651,654.71, 2,279,279.76 and 916,721.56

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Solution

The fourth proportional to 1,651,654.71, 2,279,279.76 and 916,721.56 is: 1,265,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,654.71 : 2,279,279.76 = 916,721.56 : x
  2. Step 2: Convert to fraction form
    1,651,654.71/2,279,279.76 = 916,721.56/x
  3. Step 3: Cross multiply
    1,651,654.71x = 2,279,279.76 × 916,721.56
  4. Step 4: Simplify right side
    1,651,654.71x = 2,089,464,897,263.63
  5. Step 5: Solve for x
    x = 2,089,464,897,263.63/1,651,654.71
  6. Step 6: Final answer
    x = 1,265,073.68

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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.