Home / 705,739.07-973,920.98-383,449.05

Finding the Fourth Proportional to 705,739.07, 973,920.98 and 383,449.05

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Solution

The fourth proportional to 705,739.07, 973,920.98 and 383,449.05 is: 529,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,739.07 : 973,920.98 = 383,449.05 : x
  2. Step 2: Convert to fraction form
    705,739.07/973,920.98 = 383,449.05/x
  3. Step 3: Cross multiply
    705,739.07x = 973,920.98 × 383,449.05
  4. Step 4: Simplify right side
    705,739.07x = 373,449,074,556.07
  5. Step 5: Solve for x
    x = 373,449,074,556.07/705,739.07
  6. Step 6: Final answer
    x = 529,160.27

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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.