Home / 1,428,563.81-1,971,506.70-944,289.11

Finding the Fourth Proportional to 1,428,563.81, 1,971,506.70 and 944,289.11

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Solution

The fourth proportional to 1,428,563.81, 1,971,506.70 and 944,289.11 is: 1,303,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,563.81 : 1,971,506.70 = 944,289.11 : x
  2. Step 2: Convert to fraction form
    1,428,563.81/1,971,506.70 = 944,289.11/x
  3. Step 3: Cross multiply
    1,428,563.81x = 1,971,506.70 × 944,289.11
  4. Step 4: Simplify right side
    1,428,563.81x = 1,861,672,297,244.50
  5. Step 5: Solve for x
    x = 1,861,672,297,244.50/1,428,563.81
  6. Step 6: Final answer
    x = 1,303,177.56

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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.