Home / 1,269,878.76-1,752,374.94-696,907.56

Finding the Fourth Proportional to 1,269,878.76, 1,752,374.94 and 696,907.56

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Solution

The fourth proportional to 1,269,878.76, 1,752,374.94 and 696,907.56 is: 961,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,878.76 : 1,752,374.94 = 696,907.56 : x
  2. Step 2: Convert to fraction form
    1,269,878.76/1,752,374.94 = 696,907.56/x
  3. Step 3: Cross multiply
    1,269,878.76x = 1,752,374.94 × 696,907.56
  4. Step 4: Simplify right side
    1,269,878.76x = 1,221,243,343,640.55
  5. Step 5: Solve for x
    x = 1,221,243,343,640.55/1,269,878.76
  6. Step 6: Final answer
    x = 961,700.74

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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.