Home / 988,176.56-1,363,532.82-558,299.84

Finding the Fourth Proportional to 988,176.56, 1,363,532.82 and 558,299.84

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Solution

The fourth proportional to 988,176.56, 1,363,532.82 and 558,299.84 is: 770,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,176.56 : 1,363,532.82 = 558,299.84 : x
  2. Step 2: Convert to fraction form
    988,176.56/1,363,532.82 = 558,299.84/x
  3. Step 3: Cross multiply
    988,176.56x = 1,363,532.82 × 558,299.84
  4. Step 4: Simplify right side
    988,176.56x = 761,260,148,423.09
  5. Step 5: Solve for x
    x = 761,260,148,423.09/988,176.56
  6. Step 6: Final answer
    x = 770,368.56

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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.