Home / 762,473.76-1,052,339.94-423,051.36

Finding the Fourth Proportional to 762,473.76, 1,052,339.94 and 423,051.36

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Solution

The fourth proportional to 762,473.76, 1,052,339.94 and 423,051.36 is: 583,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,473.76 : 1,052,339.94 = 423,051.36 : x
  2. Step 2: Convert to fraction form
    762,473.76/1,052,339.94 = 423,051.36/x
  3. Step 3: Cross multiply
    762,473.76x = 1,052,339.94 × 423,051.36
  4. Step 4: Simplify right side
    762,473.76x = 445,193,842,799.32
  5. Step 5: Solve for x
    x = 445,193,842,799.32/762,473.76
  6. Step 6: Final answer
    x = 583,880.87

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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.