Home / 1,519,385.60-2,278,237.01-621,457.88

Finding the Fourth Proportional to 1,519,385.60, 2,278,237.01 and 621,457.88

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Solution

The fourth proportional to 1,519,385.60, 2,278,237.01 and 621,457.88 is: 931,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,385.60 : 2,278,237.01 = 621,457.88 : x
  2. Step 2: Convert to fraction form
    1,519,385.60/2,278,237.01 = 621,457.88/x
  3. Step 3: Cross multiply
    1,519,385.60x = 2,278,237.01 × 621,457.88
  4. Step 4: Simplify right side
    1,519,385.60x = 1,415,828,327,873.66
  5. Step 5: Solve for x
    x = 1,415,828,327,873.66/1,519,385.60
  6. Step 6: Final answer
    x = 931,842.67

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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.