Home / 1,056,556.36-1,456,429.96-647,900.40

Finding the Fourth Proportional to 1,056,556.36, 1,456,429.96 and 647,900.40

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Solution

The fourth proportional to 1,056,556.36, 1,456,429.96 and 647,900.40 is: 893,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,556.36 : 1,456,429.96 = 647,900.40 : x
  2. Step 2: Convert to fraction form
    1,056,556.36/1,456,429.96 = 647,900.40/x
  3. Step 3: Cross multiply
    1,056,556.36x = 1,456,429.96 × 647,900.40
  4. Step 4: Simplify right side
    1,056,556.36x = 943,621,553,655.98
  5. Step 5: Solve for x
    x = 943,621,553,655.98/1,056,556.36
  6. Step 6: Final answer
    x = 893,110.48

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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.