Home / 1,048,415.32-1,569,954.84-692,896.60

Finding the Fourth Proportional to 1,048,415.32, 1,569,954.84 and 692,896.60

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Solution

The fourth proportional to 1,048,415.32, 1,569,954.84 and 692,896.60 is: 1,037,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,415.32 : 1,569,954.84 = 692,896.60 : x
  2. Step 2: Convert to fraction form
    1,048,415.32/1,569,954.84 = 692,896.60/x
  3. Step 3: Cross multiply
    1,048,415.32x = 1,569,954.84 × 692,896.60
  4. Step 4: Simplify right side
    1,048,415.32x = 1,087,816,370,789.54
  5. Step 5: Solve for x
    x = 1,087,816,370,789.54/1,048,415.32
  6. Step 6: Final answer
    x = 1,037,581.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.