Home / 1,301,808.72-1,953,024.86-543,228.21

Finding the Fourth Proportional to 1,301,808.72, 1,953,024.86 and 543,228.21

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Solution

The fourth proportional to 1,301,808.72, 1,953,024.86 and 543,228.21 is: 814,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,808.72 : 1,953,024.86 = 543,228.21 : x
  2. Step 2: Convert to fraction form
    1,301,808.72/1,953,024.86 = 543,228.21/x
  3. Step 3: Cross multiply
    1,301,808.72x = 1,953,024.86 × 543,228.21
  4. Step 4: Simplify right side
    1,301,808.72x = 1,060,938,198,783.30
  5. Step 5: Solve for x
    x = 1,060,938,198,783.30/1,301,808.72
  6. Step 6: Final answer
    x = 814,972.42

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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.