Home / 1,123,660.40-1,685,539.83-325,022.67

Finding the Fourth Proportional to 1,123,660.40, 1,685,539.83 and 325,022.67

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Solution

The fourth proportional to 1,123,660.40, 1,685,539.83 and 325,022.67 is: 487,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,660.40 : 1,685,539.83 = 325,022.67 : x
  2. Step 2: Convert to fraction form
    1,123,660.40/1,685,539.83 = 325,022.67/x
  3. Step 3: Cross multiply
    1,123,660.40x = 1,685,539.83 × 325,022.67
  4. Step 4: Simplify right side
    1,123,660.40x = 547,838,655,937.95
  5. Step 5: Solve for x
    x = 547,838,655,937.95/1,123,660.40
  6. Step 6: Final answer
    x = 487,548.25

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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.