Home / 1,969,255.40-2,953,882.08-621,553.10

Finding the Fourth Proportional to 1,969,255.40, 2,953,882.08 and 621,553.10

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Solution

The fourth proportional to 1,969,255.40, 2,953,882.08 and 621,553.10 is: 932,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,255.40 : 2,953,882.08 = 621,553.10 : x
  2. Step 2: Convert to fraction form
    1,969,255.40/2,953,882.08 = 621,553.10/x
  3. Step 3: Cross multiply
    1,969,255.40x = 2,953,882.08 × 621,553.10
  4. Step 4: Simplify right side
    1,969,255.40x = 1,835,994,549,089.04
  5. Step 5: Solve for x
    x = 1,835,994,549,089.04/1,969,255.40
  6. Step 6: Final answer
    x = 932,329.32

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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.