Home / 1,446,678.90-2,170,108.60-381,722.02

Finding the Fourth Proportional to 1,446,678.90, 2,170,108.60 and 381,722.02

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Solution

The fourth proportional to 1,446,678.90, 2,170,108.60 and 381,722.02 is: 572,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,678.90 : 2,170,108.60 = 381,722.02 : x
  2. Step 2: Convert to fraction form
    1,446,678.90/2,170,108.60 = 381,722.02/x
  3. Step 3: Cross multiply
    1,446,678.90x = 2,170,108.60 × 381,722.02
  4. Step 4: Simplify right side
    1,446,678.90x = 828,378,232,031.80
  5. Step 5: Solve for x
    x = 828,378,232,031.80/1,446,678.90
  6. Step 6: Final answer
    x = 572,606.84

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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.