Home / 1,112,127.93-1,534,802.72-628,738.05

Finding the Fourth Proportional to 1,112,127.93, 1,534,802.72 and 628,738.05

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Solution

The fourth proportional to 1,112,127.93, 1,534,802.72 and 628,738.05 is: 867,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,127.93 : 1,534,802.72 = 628,738.05 : x
  2. Step 2: Convert to fraction form
    1,112,127.93/1,534,802.72 = 628,738.05/x
  3. Step 3: Cross multiply
    1,112,127.93x = 1,534,802.72 × 628,738.05
  4. Step 4: Simplify right side
    1,112,127.93x = 964,988,866,163.81
  5. Step 5: Solve for x
    x = 964,988,866,163.81/1,112,127.93
  6. Step 6: Final answer
    x = 867,695.92

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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.