Home / 1,640,576.80-2,461,556.40-893,159.20

Finding the Fourth Proportional to 1,640,576.80, 2,461,556.40 and 893,159.20

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Solution

The fourth proportional to 1,640,576.80, 2,461,556.40 and 893,159.20 is: 1,340,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,576.80 : 2,461,556.40 = 893,159.20 : x
  2. Step 2: Convert to fraction form
    1,640,576.80/2,461,556.40 = 893,159.20/x
  3. Step 3: Cross multiply
    1,640,576.80x = 2,461,556.40 × 893,159.20
  4. Step 4: Simplify right side
    1,640,576.80x = 2,198,561,744,978.88
  5. Step 5: Solve for x
    x = 2,198,561,744,978.88/1,640,576.80
  6. Step 6: Final answer
    x = 1,340,115.10

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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.