Home / 1,123,601.10-1,685,401.65-491,844.30

Finding the Fourth Proportional to 1,123,601.10, 1,685,401.65 and 491,844.30

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Solution

The fourth proportional to 1,123,601.10, 1,685,401.65 and 491,844.30 is: 737,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,601.10 : 1,685,401.65 = 491,844.30 : x
  2. Step 2: Convert to fraction form
    1,123,601.10/1,685,401.65 = 491,844.30/x
  3. Step 3: Cross multiply
    1,123,601.10x = 1,685,401.65 × 491,844.30
  4. Step 4: Simplify right side
    1,123,601.10x = 828,955,194,763.10
  5. Step 5: Solve for x
    x = 828,955,194,763.10/1,123,601.10
  6. Step 6: Final answer
    x = 737,766.45

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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.