Home / 935,219.88-1,290,535.22-527,300.68

Finding the Fourth Proportional to 935,219.88, 1,290,535.22 and 527,300.68

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Solution

The fourth proportional to 935,219.88, 1,290,535.22 and 527,300.68 is: 727,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,219.88 : 1,290,535.22 = 527,300.68 : x
  2. Step 2: Convert to fraction form
    935,219.88/1,290,535.22 = 527,300.68/x
  3. Step 3: Cross multiply
    935,219.88x = 1,290,535.22 × 527,300.68
  4. Step 4: Simplify right side
    935,219.88x = 680,500,099,069.95
  5. Step 5: Solve for x
    x = 680,500,099,069.95/935,219.88
  6. Step 6: Final answer
    x = 727,636.48

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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.