Home / 683,325.20-1,025,765.40-403,000.40

Finding the Fourth Proportional to 683,325.20, 1,025,765.40 and 403,000.40

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Solution

The fourth proportional to 683,325.20, 1,025,765.40 and 403,000.40 is: 604,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,325.20 : 1,025,765.40 = 403,000.40 : x
  2. Step 2: Convert to fraction form
    683,325.20/1,025,765.40 = 403,000.40/x
  3. Step 3: Cross multiply
    683,325.20x = 1,025,765.40 × 403,000.40
  4. Step 4: Simplify right side
    683,325.20x = 413,383,866,506.16
  5. Step 5: Solve for x
    x = 413,383,866,506.16/683,325.20
  6. Step 6: Final answer
    x = 604,959.20

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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.