Home / 1,136,659.23-1,568,478.06-627,328.80

Finding the Fourth Proportional to 1,136,659.23, 1,568,478.06 and 627,328.80

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Solution

The fourth proportional to 1,136,659.23, 1,568,478.06 and 627,328.80 is: 865,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,659.23 : 1,568,478.06 = 627,328.80 : x
  2. Step 2: Convert to fraction form
    1,136,659.23/1,568,478.06 = 627,328.80/x
  3. Step 3: Cross multiply
    1,136,659.23x = 1,568,478.06 × 627,328.80
  4. Step 4: Simplify right side
    1,136,659.23x = 983,951,459,206.13
  5. Step 5: Solve for x
    x = 983,951,459,206.13/1,136,659.23
  6. Step 6: Final answer
    x = 865,652.11

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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.