Home / 705,923.28-974,183.36-383,638.46

Finding the Fourth Proportional to 705,923.28, 974,183.36 and 383,638.46

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Solution

The fourth proportional to 705,923.28, 974,183.36 and 383,638.46 is: 529,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,923.28 : 974,183.36 = 383,638.46 : x
  2. Step 2: Convert to fraction form
    705,923.28/974,183.36 = 383,638.46/x
  3. Step 3: Cross multiply
    705,923.28x = 974,183.36 × 383,638.46
  4. Step 4: Simplify right side
    705,923.28x = 373,734,197,198.92
  5. Step 5: Solve for x
    x = 373,734,197,198.92/705,923.28
  6. Step 6: Final answer
    x = 529,426.08

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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.