Home / 756,371.65-1,043,792.88-416,839.90

Finding the Fourth Proportional to 756,371.65, 1,043,792.88 and 416,839.90

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Solution

The fourth proportional to 756,371.65, 1,043,792.88 and 416,839.90 is: 575,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,371.65 : 1,043,792.88 = 416,839.90 : x
  2. Step 2: Convert to fraction form
    756,371.65/1,043,792.88 = 416,839.90/x
  3. Step 3: Cross multiply
    756,371.65x = 1,043,792.88 × 416,839.90
  4. Step 4: Simplify right side
    756,371.65x = 435,094,519,719.91
  5. Step 5: Solve for x
    x = 435,094,519,719.91/756,371.65
  6. Step 6: Final answer
    x = 575,239.06

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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.