Home / 1,228,019.93-1,833,395.40-938,315.39

Finding the Fourth Proportional to 1,228,019.93, 1,833,395.40 and 938,315.39

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Solution

The fourth proportional to 1,228,019.93, 1,833,395.40 and 938,315.39 is: 1,400,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,019.93 : 1,833,395.40 = 938,315.39 : x
  2. Step 2: Convert to fraction form
    1,228,019.93/1,833,395.40 = 938,315.39/x
  3. Step 3: Cross multiply
    1,228,019.93x = 1,833,395.40 × 938,315.39
  4. Step 4: Simplify right side
    1,228,019.93x = 1,720,303,110,608.23
  5. Step 5: Solve for x
    x = 1,720,303,110,608.23/1,228,019.93
  6. Step 6: Final answer
    x = 1,400,875.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.