Home / 980,313.84-1,469,425.32-558,681.84

Finding the Fourth Proportional to 980,313.84, 1,469,425.32 and 558,681.84

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Solution

The fourth proportional to 980,313.84, 1,469,425.32 and 558,681.84 is: 837,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,313.84 : 1,469,425.32 = 558,681.84 : x
  2. Step 2: Convert to fraction form
    980,313.84/1,469,425.32 = 558,681.84/x
  3. Step 3: Cross multiply
    980,313.84x = 1,469,425.32 × 558,681.84
  4. Step 4: Simplify right side
    980,313.84x = 820,941,241,520.19
  5. Step 5: Solve for x
    x = 820,941,241,520.19/980,313.84
  6. Step 6: Final answer
    x = 837,426.96

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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.