Home / 762,022.20-1,065,431.40-762,022.20

Finding the Fourth Proportional to 762,022.20, 1,065,431.40 and 762,022.20

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Solution

The fourth proportional to 762,022.20, 1,065,431.40 and 762,022.20 is: 1,065,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,022.20 : 1,065,431.40 = 762,022.20 : x
  2. Step 2: Convert to fraction form
    762,022.20/1,065,431.40 = 762,022.20/x
  3. Step 3: Cross multiply
    762,022.20x = 1,065,431.40 × 762,022.20
  4. Step 4: Simplify right side
    762,022.20x = 811,882,379,377.08
  5. Step 5: Solve for x
    x = 811,882,379,377.08/762,022.20
  6. Step 6: Final answer
    x = 1,065,431.40

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