Home / 1,136,432.47-1,568,309.94-620,219.68

Finding the Fourth Proportional to 1,136,432.47, 1,568,309.94 and 620,219.68

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Solution

The fourth proportional to 1,136,432.47, 1,568,309.94 and 620,219.68 is: 855,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,432.47 : 1,568,309.94 = 620,219.68 : x
  2. Step 2: Convert to fraction form
    1,136,432.47/1,568,309.94 = 620,219.68/x
  3. Step 3: Cross multiply
    1,136,432.47x = 1,568,309.94 × 620,219.68
  4. Step 4: Simplify right side
    1,136,432.47x = 972,696,689,127.62
  5. Step 5: Solve for x
    x = 972,696,689,127.62/1,136,432.47
  6. Step 6: Final answer
    x = 855,921.24

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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.