Home / 526,247.72-788,026.56-289,330.01

Finding the Fourth Proportional to 526,247.72, 788,026.56 and 289,330.01

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Solution

The fourth proportional to 526,247.72, 788,026.56 and 289,330.01 is: 433,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,247.72 : 788,026.56 = 289,330.01 : x
  2. Step 2: Convert to fraction form
    526,247.72/788,026.56 = 289,330.01/x
  3. Step 3: Cross multiply
    526,247.72x = 788,026.56 × 289,330.01
  4. Step 4: Simplify right side
    526,247.72x = 227,999,728,544.93
  5. Step 5: Solve for x
    x = 227,999,728,544.93/526,247.72
  6. Step 6: Final answer
    x = 433,255.52

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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.