Home / 1,296,117.10-1,944,175.65-823,336.30

Finding the Fourth Proportional to 1,296,117.10, 1,944,175.65 and 823,336.30

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Solution

The fourth proportional to 1,296,117.10, 1,944,175.65 and 823,336.30 is: 1,235,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,117.10 : 1,944,175.65 = 823,336.30 : x
  2. Step 2: Convert to fraction form
    1,296,117.10/1,944,175.65 = 823,336.30/x
  3. Step 3: Cross multiply
    1,296,117.10x = 1,944,175.65 × 823,336.30
  4. Step 4: Simplify right side
    1,296,117.10x = 1,600,710,386,221.10
  5. Step 5: Solve for x
    x = 1,600,710,386,221.10/1,296,117.10
  6. Step 6: Final answer
    x = 1,235,004.45

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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.