Home / 705,471.92-973,558.38-383,188.30

Finding the Fourth Proportional to 705,471.92, 973,558.38 and 383,188.30

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Solution

The fourth proportional to 705,471.92, 973,558.38 and 383,188.30 is: 528,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,471.92 : 973,558.38 = 383,188.30 : x
  2. Step 2: Convert to fraction form
    705,471.92/973,558.38 = 383,188.30/x
  3. Step 3: Cross multiply
    705,471.92x = 973,558.38 × 383,188.30
  4. Step 4: Simplify right side
    705,471.92x = 373,056,180,582.95
  5. Step 5: Solve for x
    x = 373,056,180,582.95/705,471.92
  6. Step 6: Final answer
    x = 528,803.73

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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.