Home / 1,185,533.86-1,636,036.60-641,669.56

Finding the Fourth Proportional to 1,185,533.86, 1,636,036.60 and 641,669.56

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Solution

The fourth proportional to 1,185,533.86, 1,636,036.60 and 641,669.56 is: 885,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,533.86 : 1,636,036.60 = 641,669.56 : x
  2. Step 2: Convert to fraction form
    1,185,533.86/1,636,036.60 = 641,669.56/x
  3. Step 3: Cross multiply
    1,185,533.86x = 1,636,036.60 × 641,669.56
  4. Step 4: Simplify right side
    1,185,533.86x = 1,049,794,885,265.90
  5. Step 5: Solve for x
    x = 1,049,794,885,265.90/1,185,533.86
  6. Step 6: Final answer
    x = 885,503.92

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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.