Home / 1,053,385.26-1,453,515.81-639,706.92

Finding the Fourth Proportional to 1,053,385.26, 1,453,515.81 and 639,706.92

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Solution

The fourth proportional to 1,053,385.26, 1,453,515.81 and 639,706.92 is: 882,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,385.26 : 1,453,515.81 = 639,706.92 : x
  2. Step 2: Convert to fraction form
    1,053,385.26/1,453,515.81 = 639,706.92/x
  3. Step 3: Cross multiply
    1,053,385.26x = 1,453,515.81 × 639,706.92
  4. Step 4: Simplify right side
    1,053,385.26x = 929,824,114,136.82
  5. Step 5: Solve for x
    x = 929,824,114,136.82/1,053,385.26
  6. Step 6: Final answer
    x = 882,700.90

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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.