Home / 1,111,521.60-1,533,879.76-628,076.34

Finding the Fourth Proportional to 1,111,521.60, 1,533,879.76 and 628,076.34

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Solution

The fourth proportional to 1,111,521.60, 1,533,879.76 and 628,076.34 is: 866,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,521.60 : 1,533,879.76 = 628,076.34 : x
  2. Step 2: Convert to fraction form
    1,111,521.60/1,533,879.76 = 628,076.34/x
  3. Step 3: Cross multiply
    1,111,521.60x = 1,533,879.76 × 628,076.34
  4. Step 4: Simplify right side
    1,111,521.60x = 963,393,585,660.88
  5. Step 5: Solve for x
    x = 963,393,585,660.88/1,111,521.60
  6. Step 6: Final answer
    x = 866,734.02

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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.