Home / 1,008,097.30-1,512,145.95-343,249.30

Finding the Fourth Proportional to 1,008,097.30, 1,512,145.95 and 343,249.30

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Solution

The fourth proportional to 1,008,097.30, 1,512,145.95 and 343,249.30 is: 514,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,097.30 : 1,512,145.95 = 343,249.30 : x
  2. Step 2: Convert to fraction form
    1,008,097.30/1,512,145.95 = 343,249.30/x
  3. Step 3: Cross multiply
    1,008,097.30x = 1,512,145.95 × 343,249.30
  4. Step 4: Simplify right side
    1,008,097.30x = 519,043,038,835.34
  5. Step 5: Solve for x
    x = 519,043,038,835.34/1,008,097.30
  6. Step 6: Final answer
    x = 514,873.95

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Half scale
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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.