Home / 933,234.10-1,398,814.35-512,811.70

Finding the Fourth Proportional to 933,234.10, 1,398,814.35 and 512,811.70

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Solution

The fourth proportional to 933,234.10, 1,398,814.35 and 512,811.70 is: 768,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,234.10 : 1,398,814.35 = 512,811.70 : x
  2. Step 2: Convert to fraction form
    933,234.10/1,398,814.35 = 512,811.70/x
  3. Step 3: Cross multiply
    933,234.10x = 1,398,814.35 × 512,811.70
  4. Step 4: Simplify right side
    933,234.10x = 717,328,364,807.90
  5. Step 5: Solve for x
    x = 717,328,364,807.90/933,234.10
  6. Step 6: Final answer
    x = 768,647.83

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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.