Home / 1,718,485.40-2,573,801.51-820,556.06

Finding the Fourth Proportional to 1,718,485.40, 2,573,801.51 and 820,556.06

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Solution

The fourth proportional to 1,718,485.40, 2,573,801.51 and 820,556.06 is: 1,228,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,485.40 : 2,573,801.51 = 820,556.06 : x
  2. Step 2: Convert to fraction form
    1,718,485.40/2,573,801.51 = 820,556.06/x
  3. Step 3: Cross multiply
    1,718,485.40x = 2,573,801.51 × 820,556.06
  4. Step 4: Simplify right side
    1,718,485.40x = 2,111,948,409,295.86
  5. Step 5: Solve for x
    x = 2,111,948,409,295.86/1,718,485.40
  6. Step 6: Final answer
    x = 1,228,959.18

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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.