Home / 1,556,972.10-2,335,239.45-492,121.80

Finding the Fourth Proportional to 1,556,972.10, 2,335,239.45 and 492,121.80

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Solution

The fourth proportional to 1,556,972.10, 2,335,239.45 and 492,121.80 is: 738,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,972.10 : 2,335,239.45 = 492,121.80 : x
  2. Step 2: Convert to fraction form
    1,556,972.10/2,335,239.45 = 492,121.80/x
  3. Step 3: Cross multiply
    1,556,972.10x = 2,335,239.45 × 492,121.80
  4. Step 4: Simplify right side
    1,556,972.10x = 1,149,222,241,565.01
  5. Step 5: Solve for x
    x = 1,149,222,241,565.01/1,556,972.10
  6. Step 6: Final answer
    x = 738,113.57

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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.