Home / 837,147.85-1,155,232.19-455,174.95

Finding the Fourth Proportional to 837,147.85, 1,155,232.19 and 455,174.95

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Solution

The fourth proportional to 837,147.85, 1,155,232.19 and 455,174.95 is: 628,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,147.85 : 1,155,232.19 = 455,174.95 : x
  2. Step 2: Convert to fraction form
    837,147.85/1,155,232.19 = 455,174.95/x
  3. Step 3: Cross multiply
    837,147.85x = 1,155,232.19 × 455,174.95
  4. Step 4: Simplify right side
    837,147.85x = 525,832,752,045.77
  5. Step 5: Solve for x
    x = 525,832,752,045.77/837,147.85
  6. Step 6: Final answer
    x = 628,124.11

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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.