Home / 837,176.72-1,155,295.84-455,203.56

Finding the Fourth Proportional to 837,176.72, 1,155,295.84 and 455,203.56

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Solution

The fourth proportional to 837,176.72, 1,155,295.84 and 455,203.56 is: 628,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,176.72 : 1,155,295.84 = 455,203.56 : x
  2. Step 2: Convert to fraction form
    837,176.72/1,155,295.84 = 455,203.56/x
  3. Step 3: Cross multiply
    837,176.72x = 1,155,295.84 × 455,203.56
  4. Step 4: Simplify right side
    837,176.72x = 525,894,779,221.19
  5. Step 5: Solve for x
    x = 525,894,779,221.19/837,176.72
  6. Step 6: Final answer
    x = 628,176.54

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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.