Home / 648,518.75-974,254.31-469,157.41

Finding the Fourth Proportional to 648,518.75, 974,254.31 and 469,157.41

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Solution

The fourth proportional to 648,518.75, 974,254.31 and 469,157.41 is: 704,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,518.75 : 974,254.31 = 469,157.41 : x
  2. Step 2: Convert to fraction form
    648,518.75/974,254.31 = 469,157.41/x
  3. Step 3: Cross multiply
    648,518.75x = 974,254.31 × 469,157.41
  4. Step 4: Simplify right side
    648,518.75x = 457,078,628,760.94
  5. Step 5: Solve for x
    x = 457,078,628,760.94/648,518.75
  6. Step 6: Final answer
    x = 704,804.03

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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.