Home / 1,450,213.80-2,175,320.70-1,235,596.20

Finding the Fourth Proportional to 1,450,213.80, 2,175,320.70 and 1,235,596.20

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Solution

The fourth proportional to 1,450,213.80, 2,175,320.70 and 1,235,596.20 is: 1,853,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,213.80 : 2,175,320.70 = 1,235,596.20 : x
  2. Step 2: Convert to fraction form
    1,450,213.80/2,175,320.70 = 1,235,596.20/x
  3. Step 3: Cross multiply
    1,450,213.80x = 2,175,320.70 × 1,235,596.20
  4. Step 4: Simplify right side
    1,450,213.80x = 2,687,817,990,701.34
  5. Step 5: Solve for x
    x = 2,687,817,990,701.34/1,450,213.80
  6. Step 6: Final answer
    x = 1,853,394.30

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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.