Home / 1,198,153.59-1,653,443.54-654,289.37

Finding the Fourth Proportional to 1,198,153.59, 1,653,443.54 and 654,289.37

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Solution

The fourth proportional to 1,198,153.59, 1,653,443.54 and 654,289.37 is: 902,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,153.59 : 1,653,443.54 = 654,289.37 : x
  2. Step 2: Convert to fraction form
    1,198,153.59/1,653,443.54 = 654,289.37/x
  3. Step 3: Cross multiply
    1,198,153.59x = 1,653,443.54 × 654,289.37
  4. Step 4: Simplify right side
    1,198,153.59x = 1,081,830,538,911.74
  5. Step 5: Solve for x
    x = 1,081,830,538,911.74/1,198,153.59
  6. Step 6: Final answer
    x = 902,914.74

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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.