Home / 689,616.10-951,652.02-383,676.94

Finding the Fourth Proportional to 689,616.10, 951,652.02 and 383,676.94

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Solution

The fourth proportional to 689,616.10, 951,652.02 and 383,676.94 is: 529,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,616.10 : 951,652.02 = 383,676.94 : x
  2. Step 2: Convert to fraction form
    689,616.10/951,652.02 = 383,676.94/x
  3. Step 3: Cross multiply
    689,616.10x = 951,652.02 × 383,676.94
  4. Step 4: Simplify right side
    689,616.10x = 365,126,934,978.42
  5. Step 5: Solve for x
    x = 365,126,934,978.42/689,616.10
  6. Step 6: Final answer
    x = 529,464.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.