Home / 1,190,525.93-1,642,955.77-646,661.56

Finding the Fourth Proportional to 1,190,525.93, 1,642,955.77 and 646,661.56

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Solution

The fourth proportional to 1,190,525.93, 1,642,955.77 and 646,661.56 is: 892,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,525.93 : 1,642,955.77 = 646,661.56 : x
  2. Step 2: Convert to fraction form
    1,190,525.93/1,642,955.77 = 646,661.56/x
  3. Step 3: Cross multiply
    1,190,525.93x = 1,642,955.77 × 646,661.56
  4. Step 4: Simplify right side
    1,190,525.93x = 1,062,436,333,024.42
  5. Step 5: Solve for x
    x = 1,062,436,333,024.42/1,190,525.93
  6. Step 6: Final answer
    x = 892,409.23

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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.