Home / 689,569.02-951,602.34-383,674.68

Finding the Fourth Proportional to 689,569.02, 951,602.34 and 383,674.68

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Solution

The fourth proportional to 689,569.02, 951,602.34 and 383,674.68 is: 529,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,569.02 : 951,602.34 = 383,674.68 : x
  2. Step 2: Convert to fraction form
    689,569.02/951,602.34 = 383,674.68/x
  3. Step 3: Cross multiply
    689,569.02x = 951,602.34 × 383,674.68
  4. Step 4: Simplify right side
    689,569.02x = 365,105,723,286.75
  5. Step 5: Solve for x
    x = 365,105,723,286.75/689,569.02
  6. Step 6: Final answer
    x = 529,469.44

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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.