Home / 698,532.56-1,047,805.32-277,915.76

Finding the Fourth Proportional to 698,532.56, 1,047,805.32 and 277,915.76

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Solution

The fourth proportional to 698,532.56, 1,047,805.32 and 277,915.76 is: 416,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,532.56 : 1,047,805.32 = 277,915.76 : x
  2. Step 2: Convert to fraction form
    698,532.56/1,047,805.32 = 277,915.76/x
  3. Step 3: Cross multiply
    698,532.56x = 1,047,805.32 × 277,915.76
  4. Step 4: Simplify right side
    698,532.56x = 291,201,611,839.84
  5. Step 5: Solve for x
    x = 291,201,611,839.84/698,532.56
  6. Step 6: Final answer
    x = 416,876.22

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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.