Home / 984,136.15-1,357,943.43-548,458.35

Finding the Fourth Proportional to 984,136.15, 1,357,943.43 and 548,458.35

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Solution

The fourth proportional to 984,136.15, 1,357,943.43 and 548,458.35 is: 756,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,136.15 : 1,357,943.43 = 548,458.35 : x
  2. Step 2: Convert to fraction form
    984,136.15/1,357,943.43 = 548,458.35/x
  3. Step 3: Cross multiply
    984,136.15x = 1,357,943.43 × 548,458.35
  4. Step 4: Simplify right side
    984,136.15x = 744,775,413,011.14
  5. Step 5: Solve for x
    x = 744,775,413,011.14/984,136.15
  6. Step 6: Final answer
    x = 756,780.87

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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.