Home / 837,164.32-1,155,301.20-455,193.68

Finding the Fourth Proportional to 837,164.32, 1,155,301.20 and 455,193.68

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Solution

The fourth proportional to 837,164.32, 1,155,301.20 and 455,193.68 is: 628,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,164.32 : 1,155,301.20 = 455,193.68 : x
  2. Step 2: Convert to fraction form
    837,164.32/1,155,301.20 = 455,193.68/x
  3. Step 3: Cross multiply
    837,164.32x = 1,155,301.20 × 455,193.68
  4. Step 4: Simplify right side
    837,164.32x = 525,885,804,736.42
  5. Step 5: Solve for x
    x = 525,885,804,736.42/837,164.32
  6. Step 6: Final answer
    x = 628,175.13

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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.