Home / 851,536.80-1,277,305.20-818,877.60

Finding the Fourth Proportional to 851,536.80, 1,277,305.20 and 818,877.60

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Solution

The fourth proportional to 851,536.80, 1,277,305.20 and 818,877.60 is: 1,228,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,536.80 : 1,277,305.20 = 818,877.60 : x
  2. Step 2: Convert to fraction form
    851,536.80/1,277,305.20 = 818,877.60/x
  3. Step 3: Cross multiply
    851,536.80x = 1,277,305.20 × 818,877.60
  4. Step 4: Simplify right side
    851,536.80x = 1,045,956,616,643.52
  5. Step 5: Solve for x
    x = 1,045,956,616,643.52/851,536.80
  6. Step 6: Final answer
    x = 1,228,316.40

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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.