Home / 1,155,933.80-1,733,900.70-408,055.40

Finding the Fourth Proportional to 1,155,933.80, 1,733,900.70 and 408,055.40

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Solution

The fourth proportional to 1,155,933.80, 1,733,900.70 and 408,055.40 is: 612,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,933.80 : 1,733,900.70 = 408,055.40 : x
  2. Step 2: Convert to fraction form
    1,155,933.80/1,733,900.70 = 408,055.40/x
  3. Step 3: Cross multiply
    1,155,933.80x = 1,733,900.70 × 408,055.40
  4. Step 4: Simplify right side
    1,155,933.80x = 707,527,543,698.78
  5. Step 5: Solve for x
    x = 707,527,543,698.78/1,155,933.80
  6. Step 6: Final answer
    x = 612,083.10

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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.