Home / 1,781,345.58-2,458,358.43-1,056,622.38

Finding the Fourth Proportional to 1,781,345.58, 2,458,358.43 and 1,056,622.38

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Solution

The fourth proportional to 1,781,345.58, 2,458,358.43 and 1,056,622.38 is: 1,458,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,345.58 : 2,458,358.43 = 1,056,622.38 : x
  2. Step 2: Convert to fraction form
    1,781,345.58/2,458,358.43 = 1,056,622.38/x
  3. Step 3: Cross multiply
    1,781,345.58x = 2,458,358.43 × 1,056,622.38
  4. Step 4: Simplify right side
    1,781,345.58x = 2,597,556,535,199.66
  5. Step 5: Solve for x
    x = 2,597,556,535,199.66/1,781,345.58
  6. Step 6: Final answer
    x = 1,458,199.11

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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.