Home / 1,696,378.80-2,544,568.20-1,623,572.40

Finding the Fourth Proportional to 1,696,378.80, 2,544,568.20 and 1,623,572.40

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Solution

The fourth proportional to 1,696,378.80, 2,544,568.20 and 1,623,572.40 is: 2,435,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,378.80 : 2,544,568.20 = 1,623,572.40 : x
  2. Step 2: Convert to fraction form
    1,696,378.80/2,544,568.20 = 1,623,572.40/x
  3. Step 3: Cross multiply
    1,696,378.80x = 2,544,568.20 × 1,623,572.40
  4. Step 4: Simplify right side
    1,696,378.80x = 4,131,290,699,437.68
  5. Step 5: Solve for x
    x = 4,131,290,699,437.68/1,696,378.80
  6. Step 6: Final answer
    x = 2,435,358.60

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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.