Home / 1,686,506.05-2,327,433.51-961,340.59

Finding the Fourth Proportional to 1,686,506.05, 2,327,433.51 and 961,340.59

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Solution

The fourth proportional to 1,686,506.05, 2,327,433.51 and 961,340.59 is: 1,326,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,506.05 : 2,327,433.51 = 961,340.59 : x
  2. Step 2: Convert to fraction form
    1,686,506.05/2,327,433.51 = 961,340.59/x
  3. Step 3: Cross multiply
    1,686,506.05x = 2,327,433.51 × 961,340.59
  4. Step 4: Simplify right side
    1,686,506.05x = 2,237,456,303,689.17
  5. Step 5: Solve for x
    x = 2,237,456,303,689.17/1,686,506.05
  6. Step 6: Final answer
    x = 1,326,681.46

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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.