Home / 826,826.60-1,141,121.67-520,897.85

Finding the Fourth Proportional to 826,826.60, 1,141,121.67 and 520,897.85

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Solution

The fourth proportional to 826,826.60, 1,141,121.67 and 520,897.85 is: 718,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,826.60 : 1,141,121.67 = 520,897.85 : x
  2. Step 2: Convert to fraction form
    826,826.60/1,141,121.67 = 520,897.85/x
  3. Step 3: Cross multiply
    826,826.60x = 1,141,121.67 × 520,897.85
  4. Step 4: Simplify right side
    826,826.60x = 594,407,830,460.50
  5. Step 5: Solve for x
    x = 594,407,830,460.50/826,826.60
  6. Step 6: Final answer
    x = 718,902.64

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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.