Home / 1,119,939.40-1,679,757.90-446,516.20

Finding the Fourth Proportional to 1,119,939.40, 1,679,757.90 and 446,516.20

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Solution

The fourth proportional to 1,119,939.40, 1,679,757.90 and 446,516.20 is: 669,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,939.40 : 1,679,757.90 = 446,516.20 : x
  2. Step 2: Convert to fraction form
    1,119,939.40/1,679,757.90 = 446,516.20/x
  3. Step 3: Cross multiply
    1,119,939.40x = 1,679,757.90 × 446,516.20
  4. Step 4: Simplify right side
    1,119,939.40x = 750,039,114,427.98
  5. Step 5: Solve for x
    x = 750,039,114,427.98/1,119,939.40
  6. Step 6: Final answer
    x = 669,714.02

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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.