Home / 705,660.53-973,816.20-383,370.54

Finding the Fourth Proportional to 705,660.53, 973,816.20 and 383,370.54

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Solution

The fourth proportional to 705,660.53, 973,816.20 and 383,370.54 is: 529,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,660.53 : 973,816.20 = 383,370.54 : x
  2. Step 2: Convert to fraction form
    705,660.53/973,816.20 = 383,370.54/x
  3. Step 3: Cross multiply
    705,660.53x = 973,816.20 × 383,370.54
  4. Step 4: Simplify right side
    705,660.53x = 373,332,445,941.27
  5. Step 5: Solve for x
    x = 373,332,445,941.27/705,660.53
  6. Step 6: Final answer
    x = 529,053.88

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Double scale
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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.