Home / 1,001,157.44-1,381,259.20-571,134.88

Finding the Fourth Proportional to 1,001,157.44, 1,381,259.20 and 571,134.88

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Solution

The fourth proportional to 1,001,157.44, 1,381,259.20 and 571,134.88 is: 787,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,157.44 : 1,381,259.20 = 571,134.88 : x
  2. Step 2: Convert to fraction form
    1,001,157.44/1,381,259.20 = 571,134.88/x
  3. Step 3: Cross multiply
    1,001,157.44x = 1,381,259.20 × 571,134.88
  4. Step 4: Simplify right side
    1,001,157.44x = 788,885,307,440.90
  5. Step 5: Solve for x
    x = 788,885,307,440.90/1,001,157.44
  6. Step 6: Final answer
    x = 787,973.28

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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.