Home / 1,136,946.96-1,568,945.61-627,638.40

Finding the Fourth Proportional to 1,136,946.96, 1,568,945.61 and 627,638.40

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Solution

The fourth proportional to 1,136,946.96, 1,568,945.61 and 627,638.40 is: 866,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,946.96 : 1,568,945.61 = 627,638.40 : x
  2. Step 2: Convert to fraction form
    1,136,946.96/1,568,945.61 = 627,638.40/x
  3. Step 3: Cross multiply
    1,136,946.96x = 1,568,945.61 × 627,638.40
  4. Step 4: Simplify right side
    1,136,946.96x = 984,730,512,347.42
  5. Step 5: Solve for x
    x = 984,730,512,347.42/1,136,946.96
  6. Step 6: Final answer
    x = 866,118.25

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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.