Home / 1,430,818.52-1,972,556.56-1,141,412.36

Finding the Fourth Proportional to 1,430,818.52, 1,972,556.56 and 1,141,412.36

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Solution

The fourth proportional to 1,430,818.52, 1,972,556.56 and 1,141,412.36 is: 1,573,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,818.52 : 1,972,556.56 = 1,141,412.36 : x
  2. Step 2: Convert to fraction form
    1,430,818.52/1,972,556.56 = 1,141,412.36/x
  3. Step 3: Cross multiply
    1,430,818.52x = 1,972,556.56 × 1,141,412.36
  4. Step 4: Simplify right side
    1,430,818.52x = 2,251,500,438,383.08
  5. Step 5: Solve for x
    x = 2,251,500,438,383.08/1,430,818.52
  6. Step 6: Final answer
    x = 1,573,575.13

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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.