Home / 574,211.40-792,403.94-319,562.60

Finding the Fourth Proportional to 574,211.40, 792,403.94 and 319,562.60

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Solution

The fourth proportional to 574,211.40, 792,403.94 and 319,562.60 is: 440,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,211.40 : 792,403.94 = 319,562.60 : x
  2. Step 2: Convert to fraction form
    574,211.40/792,403.94 = 319,562.60/x
  3. Step 3: Cross multiply
    574,211.40x = 792,403.94 × 319,562.60
  4. Step 4: Simplify right side
    574,211.40x = 253,222,657,756.81
  5. Step 5: Solve for x
    x = 253,222,657,756.81/574,211.40
  6. Step 6: Final answer
    x = 440,992.04

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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.