Home / 706,051.20-1,056,484.80-519,427.20

Finding the Fourth Proportional to 706,051.20, 1,056,484.80 and 519,427.20

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Solution

The fourth proportional to 706,051.20, 1,056,484.80 and 519,427.20 is: 777,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,051.20 : 1,056,484.80 = 519,427.20 : x
  2. Step 2: Convert to fraction form
    706,051.20/1,056,484.80 = 519,427.20/x
  3. Step 3: Cross multiply
    706,051.20x = 1,056,484.80 × 519,427.20
  4. Step 4: Simplify right side
    706,051.20x = 548,766,941,506.56
  5. Step 5: Solve for x
    x = 548,766,941,506.56/706,051.20
  6. Step 6: Final answer
    x = 777,233.92

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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.