Home / 979,655.04-1,351,820.07-549,982.44

Finding the Fourth Proportional to 979,655.04, 1,351,820.07 and 549,982.44

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Solution

The fourth proportional to 979,655.04, 1,351,820.07 and 549,982.44 is: 758,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,655.04 : 1,351,820.07 = 549,982.44 : x
  2. Step 2: Convert to fraction form
    979,655.04/1,351,820.07 = 549,982.44/x
  3. Step 3: Cross multiply
    979,655.04x = 1,351,820.07 × 549,982.44
  4. Step 4: Simplify right side
    979,655.04x = 743,477,300,539.57
  5. Step 5: Solve for x
    x = 743,477,300,539.57/979,655.04
  6. Step 6: Final answer
    x = 758,917.45

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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.