Home / 837,022.52-1,155,104.22-455,050.76

Finding the Fourth Proportional to 837,022.52, 1,155,104.22 and 455,050.76

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Solution

The fourth proportional to 837,022.52, 1,155,104.22 and 455,050.76 is: 627,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,022.52 : 1,155,104.22 = 455,050.76 : x
  2. Step 2: Convert to fraction form
    837,022.52/1,155,104.22 = 455,050.76/x
  3. Step 3: Cross multiply
    837,022.52x = 1,155,104.22 × 455,050.76
  4. Step 4: Simplify right side
    837,022.52x = 525,631,053,190.21
  5. Step 5: Solve for x
    x = 525,631,053,190.21/837,022.52
  6. Step 6: Final answer
    x = 627,977.19

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Double scale
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Similar ratio
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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.