Home / 850,614-1,276,157.46-370,883.76

Finding the Fourth Proportional to 850,614, 1,276,157.46 and 370,883.76

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Solution

The fourth proportional to 850,614, 1,276,157.46 and 370,883.76 is: 556,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,614 : 1,276,157.46 = 370,883.76 : x
  2. Step 2: Convert to fraction form
    850,614/1,276,157.46 = 370,883.76/x
  3. Step 3: Cross multiply
    850,614x = 1,276,157.46 × 370,883.76
  4. Step 4: Simplify right side
    850,614x = 473,306,077,116.85
  5. Step 5: Solve for x
    x = 473,306,077,116.85/850,614
  6. Step 6: Final answer
    x = 556,428.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.