Home / 1,374,407.12-1,896,776.52-770,834

Finding the Fourth Proportional to 1,374,407.12, 1,896,776.52 and 770,834

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Solution

The fourth proportional to 1,374,407.12, 1,896,776.52 and 770,834 is: 1,063,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,407.12 : 1,896,776.52 = 770,834 : x
  2. Step 2: Convert to fraction form
    1,374,407.12/1,896,776.52 = 770,834/x
  3. Step 3: Cross multiply
    1,374,407.12x = 1,896,776.52 × 770,834
  4. Step 4: Simplify right side
    1,374,407.12x = 1,462,099,832,017.68
  5. Step 5: Solve for x
    x = 1,462,099,832,017.68/1,374,407.12
  6. Step 6: Final answer
    x = 1,063,804.03

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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.