Home / 837,149.60-1,155,234.60-455,176.70

Finding the Fourth Proportional to 837,149.60, 1,155,234.60 and 455,176.70

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Solution

The fourth proportional to 837,149.60, 1,155,234.60 and 455,176.70 is: 628,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,149.60 : 1,155,234.60 = 455,176.70 : x
  2. Step 2: Convert to fraction form
    837,149.60/1,155,234.60 = 455,176.70/x
  3. Step 3: Cross multiply
    837,149.60x = 1,155,234.60 × 455,176.70
  4. Step 4: Simplify right side
    837,149.60x = 525,835,872,953.82
  5. Step 5: Solve for x
    x = 525,835,872,953.82/837,149.60
  6. Step 6: Final answer
    x = 628,126.53

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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.