Home / 676,433.64-933,028.84-435,021.60

Finding the Fourth Proportional to 676,433.64, 933,028.84 and 435,021.60

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Solution

The fourth proportional to 676,433.64, 933,028.84 and 435,021.60 is: 600,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,433.64 : 933,028.84 = 435,021.60 : x
  2. Step 2: Convert to fraction form
    676,433.64/933,028.84 = 435,021.60/x
  3. Step 3: Cross multiply
    676,433.64x = 933,028.84 × 435,021.60
  4. Step 4: Simplify right side
    676,433.64x = 405,887,698,822.94
  5. Step 5: Solve for x
    x = 405,887,698,822.94/676,433.64
  6. Step 6: Final answer
    x = 600,040.68

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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.