Home / 1,419,293.90-1,958,333.20-815,565.26

Finding the Fourth Proportional to 1,419,293.90, 1,958,333.20 and 815,565.26

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Solution

The fourth proportional to 1,419,293.90, 1,958,333.20 and 815,565.26 is: 1,125,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,293.90 : 1,958,333.20 = 815,565.26 : x
  2. Step 2: Convert to fraction form
    1,419,293.90/1,958,333.20 = 815,565.26/x
  3. Step 3: Cross multiply
    1,419,293.90x = 1,958,333.20 × 815,565.26
  4. Step 4: Simplify right side
    1,419,293.90x = 1,597,148,525,424.63
  5. Step 5: Solve for x
    x = 1,597,148,525,424.63/1,419,293.90
  6. Step 6: Final answer
    x = 1,125,312.05

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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.