Home / 1,696,543.80-2,543,940.90-631,037.40

Finding the Fourth Proportional to 1,696,543.80, 2,543,940.90 and 631,037.40

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Solution

The fourth proportional to 1,696,543.80, 2,543,940.90 and 631,037.40 is: 946,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,543.80 : 2,543,940.90 = 631,037.40 : x
  2. Step 2: Convert to fraction form
    1,696,543.80/2,543,940.90 = 631,037.40/x
  3. Step 3: Cross multiply
    1,696,543.80x = 2,543,940.90 × 631,037.40
  4. Step 4: Simplify right side
    1,696,543.80x = 1,605,321,851,289.66
  5. Step 5: Solve for x
    x = 1,605,321,851,289.66/1,696,543.80
  6. Step 6: Final answer
    x = 946,230.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.