Home / 886,344.59-1,329,600.49-686,888.37

Finding the Fourth Proportional to 886,344.59, 1,329,600.49 and 686,888.37

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Solution

The fourth proportional to 886,344.59, 1,329,600.49 and 686,888.37 is: 1,030,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,344.59 : 1,329,600.49 = 686,888.37 : x
  2. Step 2: Convert to fraction form
    886,344.59/1,329,600.49 = 686,888.37/x
  3. Step 3: Cross multiply
    886,344.59x = 1,329,600.49 × 686,888.37
  4. Step 4: Simplify right side
    886,344.59x = 913,287,111,610.08
  5. Step 5: Solve for x
    x = 913,287,111,610.08/886,344.59
  6. Step 6: Final answer
    x = 1,030,397.34

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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.