Home / 1,008,743.32-1,392,023.84-549,847.80

Finding the Fourth Proportional to 1,008,743.32, 1,392,023.84 and 549,847.80

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Solution

The fourth proportional to 1,008,743.32, 1,392,023.84 and 549,847.80 is: 758,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,743.32 : 1,392,023.84 = 549,847.80 : x
  2. Step 2: Convert to fraction form
    1,008,743.32/1,392,023.84 = 549,847.80/x
  3. Step 3: Cross multiply
    1,008,743.32x = 1,392,023.84 × 549,847.80
  4. Step 4: Simplify right side
    1,008,743.32x = 765,401,245,971.55
  5. Step 5: Solve for x
    x = 765,401,245,971.55/1,008,743.32
  6. Step 6: Final answer
    x = 758,767.10

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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.