Home / 776,563.55-1,164,455.54-452,456.56

Finding the Fourth Proportional to 776,563.55, 1,164,455.54 and 452,456.56

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Solution

The fourth proportional to 776,563.55, 1,164,455.54 and 452,456.56 is: 678,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,563.55 : 1,164,455.54 = 452,456.56 : x
  2. Step 2: Convert to fraction form
    776,563.55/1,164,455.54 = 452,456.56/x
  3. Step 3: Cross multiply
    776,563.55x = 1,164,455.54 × 452,456.56
  4. Step 4: Simplify right side
    776,563.55x = 526,865,548,608.83
  5. Step 5: Solve for x
    x = 526,865,548,608.83/776,563.55
  6. Step 6: Final answer
    x = 678,457.73

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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.