Home / 1,155,149.08-1,594,059.06-638,869

Finding the Fourth Proportional to 1,155,149.08, 1,594,059.06 and 638,869

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Solution

The fourth proportional to 1,155,149.08, 1,594,059.06 and 638,869 is: 881,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,149.08 : 1,594,059.06 = 638,869 : x
  2. Step 2: Convert to fraction form
    1,155,149.08/1,594,059.06 = 638,869/x
  3. Step 3: Cross multiply
    1,155,149.08x = 1,594,059.06 × 638,869
  4. Step 4: Simplify right side
    1,155,149.08x = 1,018,394,917,603.14
  5. Step 5: Solve for x
    x = 1,018,394,917,603.14/1,155,149.08
  6. Step 6: Final answer
    x = 881,613.41

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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.