Home / 2,058,748.85-3,088,322.84-638,423.57

Finding the Fourth Proportional to 2,058,748.85, 3,088,322.84 and 638,423.57

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Solution

The fourth proportional to 2,058,748.85, 3,088,322.84 and 638,423.57 is: 957,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,748.85 : 3,088,322.84 = 638,423.57 : x
  2. Step 2: Convert to fraction form
    2,058,748.85/3,088,322.84 = 638,423.57/x
  3. Step 3: Cross multiply
    2,058,748.85x = 3,088,322.84 × 638,423.57
  4. Step 4: Simplify right side
    2,058,748.85x = 1,971,658,102,142.20
  5. Step 5: Solve for x
    x = 1,971,658,102,142.20/2,058,748.85
  6. Step 6: Final answer
    x = 957,697.24

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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.