Home / 1,278,556.32-1,765,071.04-934,005.44

Finding the Fourth Proportional to 1,278,556.32, 1,765,071.04 and 934,005.44

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Solution

The fourth proportional to 1,278,556.32, 1,765,071.04 and 934,005.44 is: 1,289,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,556.32 : 1,765,071.04 = 934,005.44 : x
  2. Step 2: Convert to fraction form
    1,278,556.32/1,765,071.04 = 934,005.44/x
  3. Step 3: Cross multiply
    1,278,556.32x = 1,765,071.04 × 934,005.44
  4. Step 4: Simplify right side
    1,278,556.32x = 1,648,585,953,346.46
  5. Step 5: Solve for x
    x = 1,648,585,953,346.46/1,278,556.32
  6. Step 6: Final answer
    x = 1,289,412.07

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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.