Home / 1,740,285-2,402,034.71-1,189,223.87

Finding the Fourth Proportional to 1,740,285, 2,402,034.71 and 1,189,223.87

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Solution

The fourth proportional to 1,740,285, 2,402,034.71 and 1,189,223.87 is: 1,641,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740,285 : 2,402,034.71 = 1,189,223.87 : x
  2. Step 2: Convert to fraction form
    1,740,285/2,402,034.71 = 1,189,223.87/x
  3. Step 3: Cross multiply
    1,740,285x = 2,402,034.71 × 1,189,223.87
  4. Step 4: Simplify right side
    1,740,285x = 2,856,556,995,744.24
  5. Step 5: Solve for x
    x = 2,856,556,995,744.24/1,740,285
  6. Step 6: Final answer
    x = 1,641,430.57

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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.