Home / 679,916.60-1,019,874.90-606,433.40

Finding the Fourth Proportional to 679,916.60, 1,019,874.90 and 606,433.40

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Solution

The fourth proportional to 679,916.60, 1,019,874.90 and 606,433.40 is: 909,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,916.60 : 1,019,874.90 = 606,433.40 : x
  2. Step 2: Convert to fraction form
    679,916.60/1,019,874.90 = 606,433.40/x
  3. Step 3: Cross multiply
    679,916.60x = 1,019,874.90 × 606,433.40
  4. Step 4: Simplify right side
    679,916.60x = 618,486,203,181.66
  5. Step 5: Solve for x
    x = 618,486,203,181.66/679,916.60
  6. Step 6: Final answer
    x = 909,650.10

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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.