Home / 753,663.05-1,040,043.21-414,124.01

Finding the Fourth Proportional to 753,663.05, 1,040,043.21 and 414,124.01

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Solution

The fourth proportional to 753,663.05, 1,040,043.21 and 414,124.01 is: 571,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,663.05 : 1,040,043.21 = 414,124.01 : x
  2. Step 2: Convert to fraction form
    753,663.05/1,040,043.21 = 414,124.01/x
  3. Step 3: Cross multiply
    753,663.05x = 1,040,043.21 × 414,124.01
  4. Step 4: Simplify right side
    753,663.05x = 430,706,864,698.47
  5. Step 5: Solve for x
    x = 430,706,864,698.47/753,663.05
  6. Step 6: Final answer
    x = 571,484.65

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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.