Home / 1,574,843.90-2,362,557.45-509,920.70

Finding the Fourth Proportional to 1,574,843.90, 2,362,557.45 and 509,920.70

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Solution

The fourth proportional to 1,574,843.90, 2,362,557.45 and 509,920.70 is: 764,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,843.90 : 2,362,557.45 = 509,920.70 : x
  2. Step 2: Convert to fraction form
    1,574,843.90/2,362,557.45 = 509,920.70/x
  3. Step 3: Cross multiply
    1,574,843.90x = 2,362,557.45 × 509,920.70
  4. Step 4: Simplify right side
    1,574,843.90x = 1,204,716,948,694.22
  5. Step 5: Solve for x
    x = 1,204,716,948,694.22/1,574,843.90
  6. Step 6: Final answer
    x = 764,975.47

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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.