Home / 621,455.77-931,333.17-469,527.95

Finding the Fourth Proportional to 621,455.77, 931,333.17 and 469,527.95

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Solution

The fourth proportional to 621,455.77, 931,333.17 and 469,527.95 is: 703,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,455.77 : 931,333.17 = 469,527.95 : x
  2. Step 2: Convert to fraction form
    621,455.77/931,333.17 = 469,527.95/x
  3. Step 3: Cross multiply
    621,455.77x = 931,333.17 × 469,527.95
  4. Step 4: Simplify right side
    621,455.77x = 437,286,954,077.10
  5. Step 5: Solve for x
    x = 437,286,954,077.10/621,455.77
  6. Step 6: Final answer
    x = 703,649.36

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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.