Home / 1,262,533.68-1,893,807.60-421,083

Finding the Fourth Proportional to 1,262,533.68, 1,893,807.60 and 421,083

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Solution

The fourth proportional to 1,262,533.68, 1,893,807.60 and 421,083 is: 631,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,533.68 : 1,893,807.60 = 421,083 : x
  2. Step 2: Convert to fraction form
    1,262,533.68/1,893,807.60 = 421,083/x
  3. Step 3: Cross multiply
    1,262,533.68x = 1,893,807.60 × 421,083
  4. Step 4: Simplify right side
    1,262,533.68x = 797,450,185,630.80
  5. Step 5: Solve for x
    x = 797,450,185,630.80/1,262,533.68
  6. Step 6: Final answer
    x = 631,626.86

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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.