Home / 622,103.40-933,155.10-307,175.40

Finding the Fourth Proportional to 622,103.40, 933,155.10 and 307,175.40

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Solution

The fourth proportional to 622,103.40, 933,155.10 and 307,175.40 is: 460,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,103.40 : 933,155.10 = 307,175.40 : x
  2. Step 2: Convert to fraction form
    622,103.40/933,155.10 = 307,175.40/x
  3. Step 3: Cross multiply
    622,103.40x = 933,155.10 × 307,175.40
  4. Step 4: Simplify right side
    622,103.40x = 286,642,291,104.54
  5. Step 5: Solve for x
    x = 286,642,291,104.54/622,103.40
  6. Step 6: Final answer
    x = 460,763.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.