Home / 689,049.33-950,931.04-383,194.04

Finding the Fourth Proportional to 689,049.33, 950,931.04 and 383,194.04

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Solution

The fourth proportional to 689,049.33, 950,931.04 and 383,194.04 is: 528,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,049.33 : 950,931.04 = 383,194.04 : x
  2. Step 2: Convert to fraction form
    689,049.33/950,931.04 = 383,194.04/x
  3. Step 3: Cross multiply
    689,049.33x = 950,931.04 × 383,194.04
  4. Step 4: Simplify right side
    689,049.33x = 364,391,106,979.00
  5. Step 5: Solve for x
    x = 364,391,106,979.00/689,049.33
  6. Step 6: Final answer
    x = 528,831.67

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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.