Home / 1,419,113.90-1,958,349.42-774,538.71

Finding the Fourth Proportional to 1,419,113.90, 1,958,349.42 and 774,538.71

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Solution

The fourth proportional to 1,419,113.90, 1,958,349.42 and 774,538.71 is: 1,068,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,113.90 : 1,958,349.42 = 774,538.71 : x
  2. Step 2: Convert to fraction form
    1,419,113.90/1,958,349.42 = 774,538.71/x
  3. Step 3: Cross multiply
    1,419,113.90x = 1,958,349.42 × 774,538.71
  4. Step 4: Simplify right side
    1,419,113.90x = 1,516,817,433,496.05
  5. Step 5: Solve for x
    x = 1,516,817,433,496.05/1,419,113.90
  6. Step 6: Final answer
    x = 1,068,848.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.