Home / 1,185,793.58-1,636,395.67-641,929.35

Finding the Fourth Proportional to 1,185,793.58, 1,636,395.67 and 641,929.35

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Solution

The fourth proportional to 1,185,793.58, 1,636,395.67 and 641,929.35 is: 885,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,793.58 : 1,636,395.67 = 641,929.35 : x
  2. Step 2: Convert to fraction form
    1,185,793.58/1,636,395.67 = 641,929.35/x
  3. Step 3: Cross multiply
    1,185,793.58x = 1,636,395.67 × 641,929.35
  4. Step 4: Simplify right side
    1,185,793.58x = 1,050,450,408,967.45
  5. Step 5: Solve for x
    x = 1,050,450,408,967.45/1,185,793.58
  6. Step 6: Final answer
    x = 885,862.79

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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.