Home / 705,458.66-973,540.10-383,175.05

Finding the Fourth Proportional to 705,458.66, 973,540.10 and 383,175.05

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Solution

The fourth proportional to 705,458.66, 973,540.10 and 383,175.05 is: 528,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,458.66 : 973,540.10 = 383,175.05 : x
  2. Step 2: Convert to fraction form
    705,458.66/973,540.10 = 383,175.05/x
  3. Step 3: Cross multiply
    705,458.66x = 973,540.10 × 383,175.05
  4. Step 4: Simplify right side
    705,458.66x = 373,036,274,578.63
  5. Step 5: Solve for x
    x = 373,036,274,578.63/705,458.66
  6. Step 6: Final answer
    x = 528,785.45

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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.