Home / 697,915.20-1,046,872.80-651,259.20

Finding the Fourth Proportional to 697,915.20, 1,046,872.80 and 651,259.20

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Solution

The fourth proportional to 697,915.20, 1,046,872.80 and 651,259.20 is: 976,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,915.20 : 1,046,872.80 = 651,259.20 : x
  2. Step 2: Convert to fraction form
    697,915.20/1,046,872.80 = 651,259.20/x
  3. Step 3: Cross multiply
    697,915.20x = 1,046,872.80 × 651,259.20
  4. Step 4: Simplify right side
    697,915.20x = 681,785,542,229.76
  5. Step 5: Solve for x
    x = 681,785,542,229.76/697,915.20
  6. Step 6: Final answer
    x = 976,888.80

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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.