Home / 683,990.60-1,025,985.90-526,526.60

Finding the Fourth Proportional to 683,990.60, 1,025,985.90 and 526,526.60

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Solution

The fourth proportional to 683,990.60, 1,025,985.90 and 526,526.60 is: 789,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,990.60 : 1,025,985.90 = 526,526.60 : x
  2. Step 2: Convert to fraction form
    683,990.60/1,025,985.90 = 526,526.60/x
  3. Step 3: Cross multiply
    683,990.60x = 1,025,985.90 × 526,526.60
  4. Step 4: Simplify right side
    683,990.60x = 540,208,867,574.94
  5. Step 5: Solve for x
    x = 540,208,867,574.94/683,990.60
  6. Step 6: Final answer
    x = 789,789.90

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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.