Home / 1,169,446.10-1,613,862.09-686,359.67

Finding the Fourth Proportional to 1,169,446.10, 1,613,862.09 and 686,359.67

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Solution

The fourth proportional to 1,169,446.10, 1,613,862.09 and 686,359.67 is: 947,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,446.10 : 1,613,862.09 = 686,359.67 : x
  2. Step 2: Convert to fraction form
    1,169,446.10/1,613,862.09 = 686,359.67/x
  3. Step 3: Cross multiply
    1,169,446.10x = 1,613,862.09 × 686,359.67
  4. Step 4: Simplify right side
    1,169,446.10x = 1,107,689,843,448.60
  5. Step 5: Solve for x
    x = 1,107,689,843,448.60/1,169,446.10
  6. Step 6: Final answer
    x = 947,191.88

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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.