Home / 785,019.26-1,083,352.73-440,915.73

Finding the Fourth Proportional to 785,019.26, 1,083,352.73 and 440,915.73

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Solution

The fourth proportional to 785,019.26, 1,083,352.73 and 440,915.73 is: 608,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,019.26 : 1,083,352.73 = 440,915.73 : x
  2. Step 2: Convert to fraction form
    785,019.26/1,083,352.73 = 440,915.73/x
  3. Step 3: Cross multiply
    785,019.26x = 1,083,352.73 × 440,915.73
  4. Step 4: Simplify right side
    785,019.26x = 477,667,257,590.86
  5. Step 5: Solve for x
    x = 477,667,257,590.86/785,019.26
  6. Step 6: Final answer
    x = 608,478.40

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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.