Home / 1,123,836.40-1,685,754.60-365,749.30

Finding the Fourth Proportional to 1,123,836.40, 1,685,754.60 and 365,749.30

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Solution

The fourth proportional to 1,123,836.40, 1,685,754.60 and 365,749.30 is: 548,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,836.40 : 1,685,754.60 = 365,749.30 : x
  2. Step 2: Convert to fraction form
    1,123,836.40/1,685,754.60 = 365,749.30/x
  3. Step 3: Cross multiply
    1,123,836.40x = 1,685,754.60 × 365,749.30
  4. Step 4: Simplify right side
    1,123,836.40x = 616,563,564,921.78
  5. Step 5: Solve for x
    x = 616,563,564,921.78/1,123,836.40
  6. Step 6: Final answer
    x = 548,623.95

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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.