Home / 1,316,197.44-1,974,047.04-641,601.12

Finding the Fourth Proportional to 1,316,197.44, 1,974,047.04 and 641,601.12

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Solution

The fourth proportional to 1,316,197.44, 1,974,047.04 and 641,601.12 is: 962,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,197.44 : 1,974,047.04 = 641,601.12 : x
  2. Step 2: Convert to fraction form
    1,316,197.44/1,974,047.04 = 641,601.12/x
  3. Step 3: Cross multiply
    1,316,197.44x = 1,974,047.04 × 641,601.12
  4. Step 4: Simplify right side
    1,316,197.44x = 1,266,550,791,796.68
  5. Step 5: Solve for x
    x = 1,266,550,791,796.68/1,316,197.44
  6. Step 6: Final answer
    x = 962,280.24

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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.