Home / 770,704.48-1,063,935.84-579,790.72

Finding the Fourth Proportional to 770,704.48, 1,063,935.84 and 579,790.72

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Solution

The fourth proportional to 770,704.48, 1,063,935.84 and 579,790.72 is: 800,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,704.48 : 1,063,935.84 = 579,790.72 : x
  2. Step 2: Convert to fraction form
    770,704.48/1,063,935.84 = 579,790.72/x
  3. Step 3: Cross multiply
    770,704.48x = 1,063,935.84 × 579,790.72
  4. Step 4: Simplify right side
    770,704.48x = 616,860,126,707.41
  5. Step 5: Solve for x
    x = 616,860,126,707.41/770,704.48
  6. Step 6: Final answer
    x = 800,384.77

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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.