Home / 621,577.86-931,761.99-396,235.14

Finding the Fourth Proportional to 621,577.86, 931,761.99 and 396,235.14

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Solution

The fourth proportional to 621,577.86, 931,761.99 and 396,235.14 is: 593,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,577.86 : 931,761.99 = 396,235.14 : x
  2. Step 2: Convert to fraction form
    621,577.86/931,761.99 = 396,235.14/x
  3. Step 3: Cross multiply
    621,577.86x = 931,761.99 × 396,235.14
  4. Step 4: Simplify right side
    621,577.86x = 369,196,842,554.33
  5. Step 5: Solve for x
    x = 369,196,842,554.33/621,577.86
  6. Step 6: Final answer
    x = 593,967.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.