Home / 783,958.32-1,175,557.20-459,834.96

Finding the Fourth Proportional to 783,958.32, 1,175,557.20 and 459,834.96

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Solution

The fourth proportional to 783,958.32, 1,175,557.20 and 459,834.96 is: 689,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,958.32 : 1,175,557.20 = 459,834.96 : x
  2. Step 2: Convert to fraction form
    783,958.32/1,175,557.20 = 459,834.96/x
  3. Step 3: Cross multiply
    783,958.32x = 1,175,557.20 × 459,834.96
  4. Step 4: Simplify right side
    783,958.32x = 540,562,298,039.71
  5. Step 5: Solve for x
    x = 540,562,298,039.71/783,958.32
  6. Step 6: Final answer
    x = 689,529.38

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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.