Home / 1,321,456.80-1,823,176.64-740,595

Finding the Fourth Proportional to 1,321,456.80, 1,823,176.64 and 740,595

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Solution

The fourth proportional to 1,321,456.80, 1,823,176.64 and 740,595 is: 1,021,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,456.80 : 1,823,176.64 = 740,595 : x
  2. Step 2: Convert to fraction form
    1,321,456.80/1,823,176.64 = 740,595/x
  3. Step 3: Cross multiply
    1,321,456.80x = 1,823,176.64 × 740,595
  4. Step 4: Simplify right side
    1,321,456.80x = 1,350,235,505,552.29
  5. Step 5: Solve for x
    x = 1,350,235,505,552.29/1,321,456.80
  6. Step 6: Final answer
    x = 1,021,778.01

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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.