Home / 1,130,967.45-1,560,717.54-621,658.89

Finding the Fourth Proportional to 1,130,967.45, 1,560,717.54 and 621,658.89

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Solution

The fourth proportional to 1,130,967.45, 1,560,717.54 and 621,658.89 is: 857,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,967.45 : 1,560,717.54 = 621,658.89 : x
  2. Step 2: Convert to fraction form
    1,130,967.45/1,560,717.54 = 621,658.89/x
  3. Step 3: Cross multiply
    1,130,967.45x = 1,560,717.54 × 621,658.89
  4. Step 4: Simplify right side
    1,130,967.45x = 970,233,933,519.93
  5. Step 5: Solve for x
    x = 970,233,933,519.93/1,130,967.45
  6. Step 6: Final answer
    x = 857,879.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.