Home / 1,517,742.85-2,094,402.90-838,635.61

Finding the Fourth Proportional to 1,517,742.85, 2,094,402.90 and 838,635.61

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Solution

The fourth proportional to 1,517,742.85, 2,094,402.90 and 838,635.61 is: 1,157,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,742.85 : 2,094,402.90 = 838,635.61 : x
  2. Step 2: Convert to fraction form
    1,517,742.85/2,094,402.90 = 838,635.61/x
  3. Step 3: Cross multiply
    1,517,742.85x = 2,094,402.90 × 838,635.61
  4. Step 4: Simplify right side
    1,517,742.85x = 1,756,440,853,104.49
  5. Step 5: Solve for x
    x = 1,756,440,853,104.49/1,517,742.85
  6. Step 6: Final answer
    x = 1,157,271.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.