Home / 1,697,821.32-2,546,822.70-435,659.88

Finding the Fourth Proportional to 1,697,821.32, 2,546,822.70 and 435,659.88

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Solution

The fourth proportional to 1,697,821.32, 2,546,822.70 and 435,659.88 is: 653,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,821.32 : 2,546,822.70 = 435,659.88 : x
  2. Step 2: Convert to fraction form
    1,697,821.32/2,546,822.70 = 435,659.88/x
  3. Step 3: Cross multiply
    1,697,821.32x = 2,546,822.70 × 435,659.88
  4. Step 4: Simplify right side
    1,697,821.32x = 1,109,548,471,863.28
  5. Step 5: Solve for x
    x = 1,109,548,471,863.28/1,697,821.32
  6. Step 6: Final answer
    x = 653,513.10

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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.