Home / 936,936.42-1,292,972.69-507,216.54

Finding the Fourth Proportional to 936,936.42, 1,292,972.69 and 507,216.54

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Solution

The fourth proportional to 936,936.42, 1,292,972.69 and 507,216.54 is: 699,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,936.42 : 1,292,972.69 = 507,216.54 : x
  2. Step 2: Convert to fraction form
    936,936.42/1,292,972.69 = 507,216.54/x
  3. Step 3: Cross multiply
    936,936.42x = 1,292,972.69 × 507,216.54
  4. Step 4: Simplify right side
    936,936.42x = 655,817,134,136.29
  5. Step 5: Solve for x
    x = 655,817,134,136.29/936,936.42
  6. Step 6: Final answer
    x = 699,959.06

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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.