Home / 759,265.50-1,047,695.43-419,687.58

Finding the Fourth Proportional to 759,265.50, 1,047,695.43 and 419,687.58

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Solution

The fourth proportional to 759,265.50, 1,047,695.43 and 419,687.58 is: 579,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,265.50 : 1,047,695.43 = 419,687.58 : x
  2. Step 2: Convert to fraction form
    759,265.50/1,047,695.43 = 419,687.58/x
  3. Step 3: Cross multiply
    759,265.50x = 1,047,695.43 × 419,687.58
  4. Step 4: Simplify right side
    759,265.50x = 439,704,759,593.76
  5. Step 5: Solve for x
    x = 439,704,759,593.76/759,265.50
  6. Step 6: Final answer
    x = 579,118.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.