Home / 545,961.16-753,219.30-331,026.04

Finding the Fourth Proportional to 545,961.16, 753,219.30 and 331,026.04

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Solution

The fourth proportional to 545,961.16, 753,219.30 and 331,026.04 is: 456,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,961.16 : 753,219.30 = 331,026.04 : x
  2. Step 2: Convert to fraction form
    545,961.16/753,219.30 = 331,026.04/x
  3. Step 3: Cross multiply
    545,961.16x = 753,219.30 × 331,026.04
  4. Step 4: Simplify right side
    545,961.16x = 249,335,202,130.57
  5. Step 5: Solve for x
    x = 249,335,202,130.57/545,961.16
  6. Step 6: Final answer
    x = 456,690.37

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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.