Home / 1,336,564.80-2,004,934.56-389,856

Finding the Fourth Proportional to 1,336,564.80, 2,004,934.56 and 389,856

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Solution

The fourth proportional to 1,336,564.80, 2,004,934.56 and 389,856 is: 584,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,564.80 : 2,004,934.56 = 389,856 : x
  2. Step 2: Convert to fraction form
    1,336,564.80/2,004,934.56 = 389,856/x
  3. Step 3: Cross multiply
    1,336,564.80x = 2,004,934.56 × 389,856
  4. Step 4: Simplify right side
    1,336,564.80x = 781,635,767,823.36
  5. Step 5: Solve for x
    x = 781,635,767,823.36/1,336,564.80
  6. Step 6: Final answer
    x = 584,809.48

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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.