Home / 1,668,783.88-2,502,069.54-603,685.72

Finding the Fourth Proportional to 1,668,783.88, 2,502,069.54 and 603,685.72

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Solution

The fourth proportional to 1,668,783.88, 2,502,069.54 and 603,685.72 is: 905,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,783.88 : 2,502,069.54 = 603,685.72 : x
  2. Step 2: Convert to fraction form
    1,668,783.88/2,502,069.54 = 603,685.72/x
  3. Step 3: Cross multiply
    1,668,783.88x = 2,502,069.54 × 603,685.72
  4. Step 4: Simplify right side
    1,668,783.88x = 1,510,463,651,744.97
  5. Step 5: Solve for x
    x = 1,510,463,651,744.97/1,668,783.88
  6. Step 6: Final answer
    x = 905,128.38

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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.