Home / 956,823.20-1,435,234.80-639,562.40

Finding the Fourth Proportional to 956,823.20, 1,435,234.80 and 639,562.40

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Solution

The fourth proportional to 956,823.20, 1,435,234.80 and 639,562.40 is: 959,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,823.20 : 1,435,234.80 = 639,562.40 : x
  2. Step 2: Convert to fraction form
    956,823.20/1,435,234.80 = 639,562.40/x
  3. Step 3: Cross multiply
    956,823.20x = 1,435,234.80 × 639,562.40
  4. Step 4: Simplify right side
    956,823.20x = 917,922,213,251.52
  5. Step 5: Solve for x
    x = 917,922,213,251.52/956,823.20
  6. Step 6: Final answer
    x = 959,343.60

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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.