Home / 1,836,705.40-2,754,337.20-698,863.30

Finding the Fourth Proportional to 1,836,705.40, 2,754,337.20 and 698,863.30

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Solution

The fourth proportional to 1,836,705.40, 2,754,337.20 and 698,863.30 is: 1,048,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,705.40 : 2,754,337.20 = 698,863.30 : x
  2. Step 2: Convert to fraction form
    1,836,705.40/2,754,337.20 = 698,863.30/x
  3. Step 3: Cross multiply
    1,836,705.40x = 2,754,337.20 × 698,863.30
  4. Step 4: Simplify right side
    1,836,705.40x = 1,924,905,184,904.76
  5. Step 5: Solve for x
    x = 1,924,905,184,904.76/1,836,705.40
  6. Step 6: Final answer
    x = 1,048,020.65

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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.