Home / 1,696,940.20-2,545,352.70-434,780.20

Finding the Fourth Proportional to 1,696,940.20, 2,545,352.70 and 434,780.20

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Solution

The fourth proportional to 1,696,940.20, 2,545,352.70 and 434,780.20 is: 652,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,940.20 : 2,545,352.70 = 434,780.20 : x
  2. Step 2: Convert to fraction form
    1,696,940.20/2,545,352.70 = 434,780.20/x
  3. Step 3: Cross multiply
    1,696,940.20x = 2,545,352.70 × 434,780.20
  4. Step 4: Simplify right side
    1,696,940.20x = 1,106,668,955,976.54
  5. Step 5: Solve for x
    x = 1,106,668,955,976.54/1,696,940.20
  6. Step 6: Final answer
    x = 652,155.54

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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.