Home / 1,158,689.60-1,738,207.20-410,676.80

Finding the Fourth Proportional to 1,158,689.60, 1,738,207.20 and 410,676.80

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Solution

The fourth proportional to 1,158,689.60, 1,738,207.20 and 410,676.80 is: 616,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,689.60 : 1,738,207.20 = 410,676.80 : x
  2. Step 2: Convert to fraction form
    1,158,689.60/1,738,207.20 = 410,676.80/x
  3. Step 3: Cross multiply
    1,158,689.60x = 1,738,207.20 × 410,676.80
  4. Step 4: Simplify right side
    1,158,689.60x = 713,841,370,632.96
  5. Step 5: Solve for x
    x = 713,841,370,632.96/1,158,689.60
  6. Step 6: Final answer
    x = 616,076.45

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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.