Home / 1,714,720.32-2,572,081.68-435,423.72

Finding the Fourth Proportional to 1,714,720.32, 2,572,081.68 and 435,423.72

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Solution

The fourth proportional to 1,714,720.32, 2,572,081.68 and 435,423.72 is: 653,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714,720.32 : 2,572,081.68 = 435,423.72 : x
  2. Step 2: Convert to fraction form
    1,714,720.32/2,572,081.68 = 435,423.72/x
  3. Step 3: Cross multiply
    1,714,720.32x = 2,572,081.68 × 435,423.72
  4. Step 4: Simplify right side
    1,714,720.32x = 1,119,945,373,249.45
  5. Step 5: Solve for x
    x = 1,119,945,373,249.45/1,714,720.32
  6. Step 6: Final answer
    x = 653,135.88

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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.