Home / 1,430,818.66-1,972,556.72-1,141,412.48

Finding the Fourth Proportional to 1,430,818.66, 1,972,556.72 and 1,141,412.48

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Solution

The fourth proportional to 1,430,818.66, 1,972,556.72 and 1,141,412.48 is: 1,573,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,818.66 : 1,972,556.72 = 1,141,412.48 : x
  2. Step 2: Convert to fraction form
    1,430,818.66/1,972,556.72 = 1,141,412.48/x
  3. Step 3: Cross multiply
    1,430,818.66x = 1,972,556.72 × 1,141,412.48
  4. Step 4: Simplify right side
    1,430,818.66x = 2,251,500,857,715.87
  5. Step 5: Solve for x
    x = 2,251,500,857,715.87/1,430,818.66
  6. Step 6: Final answer
    x = 1,573,575.27

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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.