Home / 656,265.20-983,814.60-431,733.20

Finding the Fourth Proportional to 656,265.20, 983,814.60 and 431,733.20

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Solution

The fourth proportional to 656,265.20, 983,814.60 and 431,733.20 is: 647,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,265.20 : 983,814.60 = 431,733.20 : x
  2. Step 2: Convert to fraction form
    656,265.20/983,814.60 = 431,733.20/x
  3. Step 3: Cross multiply
    656,265.20x = 983,814.60 × 431,733.20
  4. Step 4: Simplify right side
    656,265.20x = 424,745,425,464.72
  5. Step 5: Solve for x
    x = 424,745,425,464.72/656,265.20
  6. Step 6: Final answer
    x = 647,216.13

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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.