Home / 1,433,080.28-1,978,534.40-986,300.88

Finding the Fourth Proportional to 1,433,080.28, 1,978,534.40 and 986,300.88

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Solution

The fourth proportional to 1,433,080.28, 1,978,534.40 and 986,300.88 is: 1,361,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,080.28 : 1,978,534.40 = 986,300.88 : x
  2. Step 2: Convert to fraction form
    1,433,080.28/1,978,534.40 = 986,300.88/x
  3. Step 3: Cross multiply
    1,433,080.28x = 1,978,534.40 × 986,300.88
  4. Step 4: Simplify right side
    1,433,080.28x = 1,951,430,214,898.77
  5. Step 5: Solve for x
    x = 1,951,430,214,898.77/1,433,080.28
  6. Step 6: Final answer
    x = 1,361,703.35

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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.