Home / 1,689,082.36-2,330,979-953,977.66

Finding the Fourth Proportional to 1,689,082.36, 2,330,979 and 953,977.66

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Solution

The fourth proportional to 1,689,082.36, 2,330,979 and 953,977.66 is: 1,316,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,082.36 : 2,330,979 = 953,977.66 : x
  2. Step 2: Convert to fraction form
    1,689,082.36/2,330,979 = 953,977.66/x
  3. Step 3: Cross multiply
    1,689,082.36x = 2,330,979 × 953,977.66
  4. Step 4: Simplify right side
    1,689,082.36x = 2,223,701,891,929.14
  5. Step 5: Solve for x
    x = 2,223,701,891,929.14/1,689,082.36
  6. Step 6: Final answer
    x = 1,316,514.78

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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.