Home / 1,188,059.91-1,639,292.90-705,053.67

Finding the Fourth Proportional to 1,188,059.91, 1,639,292.90 and 705,053.67

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Solution

The fourth proportional to 1,188,059.91, 1,639,292.90 and 705,053.67 is: 972,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,059.91 : 1,639,292.90 = 705,053.67 : x
  2. Step 2: Convert to fraction form
    1,188,059.91/1,639,292.90 = 705,053.67/x
  3. Step 3: Cross multiply
    1,188,059.91x = 1,639,292.90 × 705,053.67
  4. Step 4: Simplify right side
    1,188,059.91x = 1,155,789,471,824.67
  5. Step 5: Solve for x
    x = 1,155,789,471,824.67/1,188,059.91
  6. Step 6: Final answer
    x = 972,837.70

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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.