Home / 958,396.34-1,437,442.16-318,646.86

Finding the Fourth Proportional to 958,396.34, 1,437,442.16 and 318,646.86

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Solution

The fourth proportional to 958,396.34, 1,437,442.16 and 318,646.86 is: 477,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,396.34 : 1,437,442.16 = 318,646.86 : x
  2. Step 2: Convert to fraction form
    958,396.34/1,437,442.16 = 318,646.86/x
  3. Step 3: Cross multiply
    958,396.34x = 1,437,442.16 × 318,646.86
  4. Step 4: Simplify right side
    958,396.34x = 458,036,429,122.38
  5. Step 5: Solve for x
    x = 458,036,429,122.38/958,396.34
  6. Step 6: Final answer
    x = 477,919.64

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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.