Home / 628,025.86-943,942.02-415,518.58

Finding the Fourth Proportional to 628,025.86, 943,942.02 and 415,518.58

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Solution

The fourth proportional to 628,025.86, 943,942.02 and 415,518.58 is: 624,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,025.86 : 943,942.02 = 415,518.58 : x
  2. Step 2: Convert to fraction form
    628,025.86/943,942.02 = 415,518.58/x
  3. Step 3: Cross multiply
    628,025.86x = 943,942.02 × 415,518.58
  4. Step 4: Simplify right side
    628,025.86x = 392,225,447,752.73
  5. Step 5: Solve for x
    x = 392,225,447,752.73/628,025.86
  6. Step 6: Final answer
    x = 624,537.10

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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.