Home / 996,488.20-1,494,732.30-491,145.40

Finding the Fourth Proportional to 996,488.20, 1,494,732.30 and 491,145.40

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Solution

The fourth proportional to 996,488.20, 1,494,732.30 and 491,145.40 is: 736,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,488.20 : 1,494,732.30 = 491,145.40 : x
  2. Step 2: Convert to fraction form
    996,488.20/1,494,732.30 = 491,145.40/x
  3. Step 3: Cross multiply
    996,488.20x = 1,494,732.30 × 491,145.40
  4. Step 4: Simplify right side
    996,488.20x = 734,130,893,376.42
  5. Step 5: Solve for x
    x = 734,130,893,376.42/996,488.20
  6. Step 6: Final answer
    x = 736,718.10

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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.