Home / 1,316,819.77-1,975,229.65-370,190.59

Finding the Fourth Proportional to 1,316,819.77, 1,975,229.65 and 370,190.59

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Solution

The fourth proportional to 1,316,819.77, 1,975,229.65 and 370,190.59 is: 555,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,819.77 : 1,975,229.65 = 370,190.59 : x
  2. Step 2: Convert to fraction form
    1,316,819.77/1,975,229.65 = 370,190.59/x
  3. Step 3: Cross multiply
    1,316,819.77x = 1,975,229.65 × 370,190.59
  4. Step 4: Simplify right side
    1,316,819.77x = 731,211,425,043.66
  5. Step 5: Solve for x
    x = 731,211,425,043.66/1,316,819.77
  6. Step 6: Final answer
    x = 555,285.88

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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.