Home / 869,706.59-1,200,326.27-530,371.67

Finding the Fourth Proportional to 869,706.59, 1,200,326.27 and 530,371.67

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Solution

The fourth proportional to 869,706.59, 1,200,326.27 and 530,371.67 is: 731,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,706.59 : 1,200,326.27 = 530,371.67 : x
  2. Step 2: Convert to fraction form
    869,706.59/1,200,326.27 = 530,371.67/x
  3. Step 3: Cross multiply
    869,706.59x = 1,200,326.27 × 530,371.67
  4. Step 4: Simplify right side
    869,706.59x = 636,619,039,711.28
  5. Step 5: Solve for x
    x = 636,619,039,711.28/869,706.59
  6. Step 6: Final answer
    x = 731,992.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.