Home / 689,134.10-950,922.38-383,133.65

Finding the Fourth Proportional to 689,134.10, 950,922.38 and 383,133.65

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Solution

The fourth proportional to 689,134.10, 950,922.38 and 383,133.65 is: 528,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,134.10 : 950,922.38 = 383,133.65 : x
  2. Step 2: Convert to fraction form
    689,134.10/950,922.38 = 383,133.65/x
  3. Step 3: Cross multiply
    689,134.10x = 950,922.38 × 383,133.65
  4. Step 4: Simplify right side
    689,134.10x = 364,330,358,519.31
  5. Step 5: Solve for x
    x = 364,330,358,519.31/689,134.10
  6. Step 6: Final answer
    x = 528,678.47

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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.