Home / 1,517,765.60-2,094,517.30-838,702.10

Finding the Fourth Proportional to 1,517,765.60, 2,094,517.30 and 838,702.10

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Solution

The fourth proportional to 1,517,765.60, 2,094,517.30 and 838,702.10 is: 1,157,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,765.60 : 2,094,517.30 = 838,702.10 : x
  2. Step 2: Convert to fraction form
    1,517,765.60/2,094,517.30 = 838,702.10/x
  3. Step 3: Cross multiply
    1,517,765.60x = 2,094,517.30 × 838,702.10
  4. Step 4: Simplify right side
    1,517,765.60x = 1,756,676,057,996.33
  5. Step 5: Solve for x
    x = 1,756,676,057,996.33/1,517,765.60
  6. Step 6: Final answer
    x = 1,157,409.32

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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.