Home / 1,043,495.20-1,439,354.28-716,650.48

Finding the Fourth Proportional to 1,043,495.20, 1,439,354.28 and 716,650.48

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Solution

The fourth proportional to 1,043,495.20, 1,439,354.28 and 716,650.48 is: 988,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,495.20 : 1,439,354.28 = 716,650.48 : x
  2. Step 2: Convert to fraction form
    1,043,495.20/1,439,354.28 = 716,650.48/x
  3. Step 3: Cross multiply
    1,043,495.20x = 1,439,354.28 × 716,650.48
  4. Step 4: Simplify right side
    1,043,495.20x = 1,031,513,935,652.05
  5. Step 5: Solve for x
    x = 1,031,513,935,652.05/1,043,495.20
  6. Step 6: Final answer
    x = 988,518.14

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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.