Home / 683,977.60-1,025,966.40-526,513.60

Finding the Fourth Proportional to 683,977.60, 1,025,966.40 and 526,513.60

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Solution

The fourth proportional to 683,977.60, 1,025,966.40 and 526,513.60 is: 789,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,977.60 : 1,025,966.40 = 526,513.60 : x
  2. Step 2: Convert to fraction form
    683,977.60/1,025,966.40 = 526,513.60/x
  3. Step 3: Cross multiply
    683,977.60x = 1,025,966.40 × 526,513.60
  4. Step 4: Simplify right side
    683,977.60x = 540,185,262,743.04
  5. Step 5: Solve for x
    x = 540,185,262,743.04/683,977.60
  6. Step 6: Final answer
    x = 789,770.40

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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.