Home / 886,415.20-1,330,606.95-549,835.90

Finding the Fourth Proportional to 886,415.20, 1,330,606.95 and 549,835.90

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Solution

The fourth proportional to 886,415.20, 1,330,606.95 and 549,835.90 is: 825,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,415.20 : 1,330,606.95 = 549,835.90 : x
  2. Step 2: Convert to fraction form
    886,415.20/1,330,606.95 = 549,835.90/x
  3. Step 3: Cross multiply
    886,415.20x = 1,330,606.95 × 549,835.90
  4. Step 4: Simplify right side
    886,415.20x = 731,615,469,899.51
  5. Step 5: Solve for x
    x = 731,615,469,899.51/886,415.20
  6. Step 6: Final answer
    x = 825,364.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.