Home / 936,936.56-1,292,972.88-507,216.69

Finding the Fourth Proportional to 936,936.56, 1,292,972.88 and 507,216.69

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Solution

The fourth proportional to 936,936.56, 1,292,972.88 and 507,216.69 is: 699,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,936.56 : 1,292,972.88 = 507,216.69 : x
  2. Step 2: Convert to fraction form
    936,936.56/1,292,972.88 = 507,216.69/x
  3. Step 3: Cross multiply
    936,936.56x = 1,292,972.88 × 507,216.69
  4. Step 4: Simplify right side
    936,936.56x = 655,817,417,988.50
  5. Step 5: Solve for x
    x = 655,817,417,988.50/936,936.56
  6. Step 6: Final answer
    x = 699,959.26

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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.