Home / 837,422.24-1,155,648.15-455,451.80

Finding the Fourth Proportional to 837,422.24, 1,155,648.15 and 455,451.80

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Solution

The fourth proportional to 837,422.24, 1,155,648.15 and 455,451.80 is: 628,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,422.24 : 1,155,648.15 = 455,451.80 : x
  2. Step 2: Convert to fraction form
    837,422.24/1,155,648.15 = 455,451.80/x
  3. Step 3: Cross multiply
    837,422.24x = 1,155,648.15 × 455,451.80
  4. Step 4: Simplify right side
    837,422.24x = 526,342,030,084.17
  5. Step 5: Solve for x
    x = 526,342,030,084.17/837,422.24
  6. Step 6: Final answer
    x = 628,526.45

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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.