Home / 1,145,129.20-1,714,194.60-893,186.80

Finding the Fourth Proportional to 1,145,129.20, 1,714,194.60 and 893,186.80

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Solution

The fourth proportional to 1,145,129.20, 1,714,194.60 and 893,186.80 is: 1,337,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,129.20 : 1,714,194.60 = 893,186.80 : x
  2. Step 2: Convert to fraction form
    1,145,129.20/1,714,194.60 = 893,186.80/x
  3. Step 3: Cross multiply
    1,145,129.20x = 1,714,194.60 × 893,186.80
  4. Step 4: Simplify right side
    1,145,129.20x = 1,531,095,989,351.28
  5. Step 5: Solve for x
    x = 1,531,095,989,351.28/1,145,129.20
  6. Step 6: Final answer
    x = 1,337,050.87

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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.