Home / 683,466.80-1,025,200.20-615,815.60

Finding the Fourth Proportional to 683,466.80, 1,025,200.20 and 615,815.60

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Solution

The fourth proportional to 683,466.80, 1,025,200.20 and 615,815.60 is: 923,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,466.80 : 1,025,200.20 = 615,815.60 : x
  2. Step 2: Convert to fraction form
    683,466.80/1,025,200.20 = 615,815.60/x
  3. Step 3: Cross multiply
    683,466.80x = 1,025,200.20 × 615,815.60
  4. Step 4: Simplify right side
    683,466.80x = 631,334,276,283.12
  5. Step 5: Solve for x
    x = 631,334,276,283.12/683,466.80
  6. Step 6: Final answer
    x = 923,723.40

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1.5x scale

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.