Home / 1,112,340.56-1,534,968.48-628,875.04

Finding the Fourth Proportional to 1,112,340.56, 1,534,968.48 and 628,875.04

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Solution

The fourth proportional to 1,112,340.56, 1,534,968.48 and 628,875.04 is: 867,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,340.56 : 1,534,968.48 = 628,875.04 : x
  2. Step 2: Convert to fraction form
    1,112,340.56/1,534,968.48 = 628,875.04/x
  3. Step 3: Cross multiply
    1,112,340.56x = 1,534,968.48 × 628,875.04
  4. Step 4: Simplify right side
    1,112,340.56x = 965,303,364,258.74
  5. Step 5: Solve for x
    x = 965,303,364,258.74/1,112,340.56
  6. Step 6: Final answer
    x = 867,812.79

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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.