Home / 782,364.60-1,173,546.90-593,407.80

Finding the Fourth Proportional to 782,364.60, 1,173,546.90 and 593,407.80

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Solution

The fourth proportional to 782,364.60, 1,173,546.90 and 593,407.80 is: 890,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,364.60 : 1,173,546.90 = 593,407.80 : x
  2. Step 2: Convert to fraction form
    782,364.60/1,173,546.90 = 593,407.80/x
  3. Step 3: Cross multiply
    782,364.60x = 1,173,546.90 × 593,407.80
  4. Step 4: Simplify right side
    782,364.60x = 696,391,884,125.82
  5. Step 5: Solve for x
    x = 696,391,884,125.82/782,364.60
  6. Step 6: Final answer
    x = 890,111.70

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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.