Home / 1,809,874.40-2,716,561.20-912,329.60

Finding the Fourth Proportional to 1,809,874.40, 2,716,561.20 and 912,329.60

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Solution

The fourth proportional to 1,809,874.40, 2,716,561.20 and 912,329.60 is: 1,369,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,874.40 : 2,716,561.20 = 912,329.60 : x
  2. Step 2: Convert to fraction form
    1,809,874.40/2,716,561.20 = 912,329.60/x
  3. Step 3: Cross multiply
    1,809,874.40x = 2,716,561.20 × 912,329.60
  4. Step 4: Simplify right side
    1,809,874.40x = 2,478,399,192,971.52
  5. Step 5: Solve for x
    x = 2,478,399,192,971.52/1,809,874.40
  6. Step 6: Final answer
    x = 1,369,376.35

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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.