Home / 913,055.79-1,366,918.73-532,811.31

Finding the Fourth Proportional to 913,055.79, 1,366,918.73 and 532,811.31

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Solution

The fourth proportional to 913,055.79, 1,366,918.73 and 532,811.31 is: 797,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,055.79 : 1,366,918.73 = 532,811.31 : x
  2. Step 2: Convert to fraction form
    913,055.79/1,366,918.73 = 532,811.31/x
  3. Step 3: Cross multiply
    913,055.79x = 1,366,918.73 × 532,811.31
  4. Step 4: Simplify right side
    913,055.79x = 728,309,756,530.78
  5. Step 5: Solve for x
    x = 728,309,756,530.78/913,055.79
  6. Step 6: Final answer
    x = 797,661.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.