Home / 1,267,197.30-1,748,717.64-686,409.30

Finding the Fourth Proportional to 1,267,197.30, 1,748,717.64 and 686,409.30

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Solution

The fourth proportional to 1,267,197.30, 1,748,717.64 and 686,409.30 is: 947,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,197.30 : 1,748,717.64 = 686,409.30 : x
  2. Step 2: Convert to fraction form
    1,267,197.30/1,748,717.64 = 686,409.30/x
  3. Step 3: Cross multiply
    1,267,197.30x = 1,748,717.64 × 686,409.30
  4. Step 4: Simplify right side
    1,267,197.30x = 1,200,336,051,170.05
  5. Step 5: Solve for x
    x = 1,200,336,051,170.05/1,267,197.30
  6. Step 6: Final answer
    x = 947,236.91

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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.