Home / 1,690,678.29-2,333,164.23-916,333.86

Finding the Fourth Proportional to 1,690,678.29, 2,333,164.23 and 916,333.86

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Solution

The fourth proportional to 1,690,678.29, 2,333,164.23 and 916,333.86 is: 1,264,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,678.29 : 2,333,164.23 = 916,333.86 : x
  2. Step 2: Convert to fraction form
    1,690,678.29/2,333,164.23 = 916,333.86/x
  3. Step 3: Cross multiply
    1,690,678.29x = 2,333,164.23 × 916,333.86
  4. Step 4: Simplify right side
    1,690,678.29x = 2,137,957,384,889.83
  5. Step 5: Solve for x
    x = 2,137,957,384,889.83/1,690,678.29
  6. Step 6: Final answer
    x = 1,264,556.01

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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.