Home / 837,357.88-1,155,542.90-455,376.52

Finding the Fourth Proportional to 837,357.88, 1,155,542.90 and 455,376.52

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Solution

The fourth proportional to 837,357.88, 1,155,542.90 and 455,376.52 is: 628,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,357.88 : 1,155,542.90 = 455,376.52 : x
  2. Step 2: Convert to fraction form
    837,357.88/1,155,542.90 = 455,376.52/x
  3. Step 3: Cross multiply
    837,357.88x = 1,155,542.90 × 455,376.52
  4. Step 4: Simplify right side
    837,357.88x = 526,207,104,512.71
  5. Step 5: Solve for x
    x = 526,207,104,512.71/837,357.88
  6. Step 6: Final answer
    x = 628,413.63

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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.