Home / 689,787.93-951,900.46-383,859.07

Finding the Fourth Proportional to 689,787.93, 951,900.46 and 383,859.07

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Solution

The fourth proportional to 689,787.93, 951,900.46 and 383,859.07 is: 529,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,787.93 : 951,900.46 = 383,859.07 : x
  2. Step 2: Convert to fraction form
    689,787.93/951,900.46 = 383,859.07/x
  3. Step 3: Cross multiply
    689,787.93x = 951,900.46 × 383,859.07
  4. Step 4: Simplify right side
    689,787.93x = 365,395,625,308.17
  5. Step 5: Solve for x
    x = 365,395,625,308.17/689,787.93
  6. Step 6: Final answer
    x = 529,721.69

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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.