Home / 1,173,780.48-1,760,670.72-641,010.89

Finding the Fourth Proportional to 1,173,780.48, 1,760,670.72 and 641,010.89

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Solution

The fourth proportional to 1,173,780.48, 1,760,670.72 and 641,010.89 is: 961,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,780.48 : 1,760,670.72 = 641,010.89 : x
  2. Step 2: Convert to fraction form
    1,173,780.48/1,760,670.72 = 641,010.89/x
  3. Step 3: Cross multiply
    1,173,780.48x = 1,760,670.72 × 641,010.89
  4. Step 4: Simplify right side
    1,173,780.48x = 1,128,609,096,420.79
  5. Step 5: Solve for x
    x = 1,128,609,096,420.79/1,173,780.48
  6. Step 6: Final answer
    x = 961,516.33

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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.