Home / 705,795.54-973,995.87-383,506.75

Finding the Fourth Proportional to 705,795.54, 973,995.87 and 383,506.75

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Solution

The fourth proportional to 705,795.54, 973,995.87 and 383,506.75 is: 529,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,795.54 : 973,995.87 = 383,506.75 : x
  2. Step 2: Convert to fraction form
    705,795.54/973,995.87 = 383,506.75/x
  3. Step 3: Cross multiply
    705,795.54x = 973,995.87 × 383,506.75
  4. Step 4: Simplify right side
    705,795.54x = 373,533,990,617.12
  5. Step 5: Solve for x
    x = 373,533,990,617.12/705,795.54
  6. Step 6: Final answer
    x = 529,238.24

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Double scale
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Similar ratio
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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.