Home / 864,046.80-1,296,070.20-580,611.60

Finding the Fourth Proportional to 864,046.80, 1,296,070.20 and 580,611.60

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Solution

The fourth proportional to 864,046.80, 1,296,070.20 and 580,611.60 is: 870,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,046.80 : 1,296,070.20 = 580,611.60 : x
  2. Step 2: Convert to fraction form
    864,046.80/1,296,070.20 = 580,611.60/x
  3. Step 3: Cross multiply
    864,046.80x = 1,296,070.20 × 580,611.60
  4. Step 4: Simplify right side
    864,046.80x = 752,513,392,534.32
  5. Step 5: Solve for x
    x = 752,513,392,534.32/864,046.80
  6. Step 6: Final answer
    x = 870,917.40

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Similar ratio
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1.5x scale

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.