Home / 598,631.80-897,947.70-553,012.60

Finding the Fourth Proportional to 598,631.80, 897,947.70 and 553,012.60

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Solution

The fourth proportional to 598,631.80, 897,947.70 and 553,012.60 is: 829,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,631.80 : 897,947.70 = 553,012.60 : x
  2. Step 2: Convert to fraction form
    598,631.80/897,947.70 = 553,012.60/x
  3. Step 3: Cross multiply
    598,631.80x = 897,947.70 × 553,012.60
  4. Step 4: Simplify right side
    598,631.80x = 496,576,392,241.02
  5. Step 5: Solve for x
    x = 496,576,392,241.02/598,631.80
  6. Step 6: Final answer
    x = 829,518.90

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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.