Home / 1,043,496.20-1,439,355.66-716,651.48

Finding the Fourth Proportional to 1,043,496.20, 1,439,355.66 and 716,651.48

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Solution

The fourth proportional to 1,043,496.20, 1,439,355.66 and 716,651.48 is: 988,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,496.20 : 1,439,355.66 = 716,651.48 : x
  2. Step 2: Convert to fraction form
    1,043,496.20/1,439,355.66 = 716,651.48/x
  3. Step 3: Cross multiply
    1,043,496.20x = 1,439,355.66 × 716,651.48
  4. Step 4: Simplify right side
    1,043,496.20x = 1,031,516,363,985.38
  5. Step 5: Solve for x
    x = 1,031,516,363,985.38/1,043,496.20
  6. Step 6: Final answer
    x = 988,519.52

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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.