Home / 1,929,623.40-2,894,574.42-509,661

Finding the Fourth Proportional to 1,929,623.40, 2,894,574.42 and 509,661

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Solution

The fourth proportional to 1,929,623.40, 2,894,574.42 and 509,661 is: 764,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,623.40 : 2,894,574.42 = 509,661 : x
  2. Step 2: Convert to fraction form
    1,929,623.40/2,894,574.42 = 509,661/x
  3. Step 3: Cross multiply
    1,929,623.40x = 2,894,574.42 × 509,661
  4. Step 4: Simplify right side
    1,929,623.40x = 1,475,251,693,471.62
  5. Step 5: Solve for x
    x = 1,475,251,693,471.62/1,929,623.40
  6. Step 6: Final answer
    x = 764,528.30

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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.