Home / 1,217,419.65-1,826,111.03-418,708.13

Finding the Fourth Proportional to 1,217,419.65, 1,826,111.03 and 418,708.13

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Solution

The fourth proportional to 1,217,419.65, 1,826,111.03 and 418,708.13 is: 628,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,419.65 : 1,826,111.03 = 418,708.13 : x
  2. Step 2: Convert to fraction form
    1,217,419.65/1,826,111.03 = 418,708.13/x
  3. Step 3: Cross multiply
    1,217,419.65x = 1,826,111.03 × 418,708.13
  4. Step 4: Simplify right side
    1,217,419.65x = 764,607,523,319.58
  5. Step 5: Solve for x
    x = 764,607,523,319.58/1,217,419.65
  6. Step 6: Final answer
    x = 628,055.84

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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.