Home / 706,961.80-1,060,442.70-423,526.60

Finding the Fourth Proportional to 706,961.80, 1,060,442.70 and 423,526.60

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Solution

The fourth proportional to 706,961.80, 1,060,442.70 and 423,526.60 is: 635,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,961.80 : 1,060,442.70 = 423,526.60 : x
  2. Step 2: Convert to fraction form
    706,961.80/1,060,442.70 = 423,526.60/x
  3. Step 3: Cross multiply
    706,961.80x = 1,060,442.70 × 423,526.60
  4. Step 4: Simplify right side
    706,961.80x = 449,125,691,225.82
  5. Step 5: Solve for x
    x = 449,125,691,225.82/706,961.80
  6. Step 6: Final answer
    x = 635,289.90

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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.