Home / 526,629.40-788,607.60-289,704.40

Finding the Fourth Proportional to 526,629.40, 788,607.60 and 289,704.40

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Solution

The fourth proportional to 526,629.40, 788,607.60 and 289,704.40 is: 433,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,629.40 : 788,607.60 = 289,704.40 : x
  2. Step 2: Convert to fraction form
    526,629.40/788,607.60 = 289,704.40/x
  3. Step 3: Cross multiply
    526,629.40x = 788,607.60 × 289,704.40
  4. Step 4: Simplify right side
    526,629.40x = 228,463,091,593.44
  5. Step 5: Solve for x
    x = 228,463,091,593.44/526,629.40
  6. Step 6: Final answer
    x = 433,821.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.