Home / 1,008,029.10-1,512,043.65-409,277.10

Finding the Fourth Proportional to 1,008,029.10, 1,512,043.65 and 409,277.10

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Solution

The fourth proportional to 1,008,029.10, 1,512,043.65 and 409,277.10 is: 613,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,029.10 : 1,512,043.65 = 409,277.10 : x
  2. Step 2: Convert to fraction form
    1,008,029.10/1,512,043.65 = 409,277.10/x
  3. Step 3: Cross multiply
    1,008,029.10x = 1,512,043.65 × 409,277.10
  4. Step 4: Simplify right side
    1,008,029.10x = 618,844,840,145.42
  5. Step 5: Solve for x
    x = 618,844,840,145.42/1,008,029.10
  6. Step 6: Final answer
    x = 613,915.65

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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.