Home / 530,811.09-794,345.94-331,225.47

Finding the Fourth Proportional to 530,811.09, 794,345.94 and 331,225.47

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Solution

The fourth proportional to 530,811.09, 794,345.94 and 331,225.47 is: 495,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,811.09 : 794,345.94 = 331,225.47 : x
  2. Step 2: Convert to fraction form
    530,811.09/794,345.94 = 331,225.47/x
  3. Step 3: Cross multiply
    530,811.09x = 794,345.94 × 331,225.47
  4. Step 4: Simplify right side
    530,811.09x = 263,107,607,319.09
  5. Step 5: Solve for x
    x = 263,107,607,319.09/530,811.09
  6. Step 6: Final answer
    x = 495,670.89

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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.