Home / 1,301,817.31-1,953,037.74-543,236.80

Finding the Fourth Proportional to 1,301,817.31, 1,953,037.74 and 543,236.80

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Solution

The fourth proportional to 1,301,817.31, 1,953,037.74 and 543,236.80 is: 814,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,817.31 : 1,953,037.74 = 543,236.80 : x
  2. Step 2: Convert to fraction form
    1,301,817.31/1,953,037.74 = 543,236.80/x
  3. Step 3: Cross multiply
    1,301,817.31x = 1,953,037.74 × 543,236.80
  4. Step 4: Simplify right side
    1,301,817.31x = 1,060,961,972,156.83
  5. Step 5: Solve for x
    x = 1,060,961,972,156.83/1,301,817.31
  6. Step 6: Final answer
    x = 814,985.30

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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.