Home / 526,814.33-727,003.72-285,096.90

Finding the Fourth Proportional to 526,814.33, 727,003.72 and 285,096.90

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Solution

The fourth proportional to 526,814.33, 727,003.72 and 285,096.90 is: 393,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,814.33 : 727,003.72 = 285,096.90 : x
  2. Step 2: Convert to fraction form
    526,814.33/727,003.72 = 285,096.90/x
  3. Step 3: Cross multiply
    526,814.33x = 727,003.72 × 285,096.90
  4. Step 4: Simplify right side
    526,814.33x = 207,266,506,860.47
  5. Step 5: Solve for x
    x = 207,266,506,860.47/526,814.33
  6. Step 6: Final answer
    x = 393,433.69

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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.