Home / 837,008.22-1,155,079.50-455,043.21

Finding the Fourth Proportional to 837,008.22, 1,155,079.50 and 455,043.21

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Solution

The fourth proportional to 837,008.22, 1,155,079.50 and 455,043.21 is: 627,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,008.22 : 1,155,079.50 = 455,043.21 : x
  2. Step 2: Convert to fraction form
    837,008.22/1,155,079.50 = 455,043.21/x
  3. Step 3: Cross multiply
    837,008.22x = 1,155,079.50 × 455,043.21
  4. Step 4: Simplify right side
    837,008.22x = 525,611,083,485.20
  5. Step 5: Solve for x
    x = 525,611,083,485.20/837,008.22
  6. Step 6: Final answer
    x = 627,964.06

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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.