Home / 1,261,058.80-1,888,477.80-838,044.40

Finding the Fourth Proportional to 1,261,058.80, 1,888,477.80 and 838,044.40

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Solution

The fourth proportional to 1,261,058.80, 1,888,477.80 and 838,044.40 is: 1,254,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,058.80 : 1,888,477.80 = 838,044.40 : x
  2. Step 2: Convert to fraction form
    1,261,058.80/1,888,477.80 = 838,044.40/x
  3. Step 3: Cross multiply
    1,261,058.80x = 1,888,477.80 × 838,044.40
  4. Step 4: Simplify right side
    1,261,058.80x = 1,582,628,244,814.32
  5. Step 5: Solve for x
    x = 1,582,628,244,814.32/1,261,058.80
  6. Step 6: Final answer
    x = 1,254,999.56

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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.