Home / 991,853.80-1,487,780.70-593,722.60

Finding the Fourth Proportional to 991,853.80, 1,487,780.70 and 593,722.60

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Solution

The fourth proportional to 991,853.80, 1,487,780.70 and 593,722.60 is: 890,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,853.80 : 1,487,780.70 = 593,722.60 : x
  2. Step 2: Convert to fraction form
    991,853.80/1,487,780.70 = 593,722.60/x
  3. Step 3: Cross multiply
    991,853.80x = 1,487,780.70 × 593,722.60
  4. Step 4: Simplify right side
    991,853.80x = 883,329,025,433.82
  5. Step 5: Solve for x
    x = 883,329,025,433.82/991,853.80
  6. Step 6: Final answer
    x = 890,583.90

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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.