Home / 497,722.40-746,583.60-459,231.20

Finding the Fourth Proportional to 497,722.40, 746,583.60 and 459,231.20

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Solution

The fourth proportional to 497,722.40, 746,583.60 and 459,231.20 is: 688,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,722.40 : 746,583.60 = 459,231.20 : x
  2. Step 2: Convert to fraction form
    497,722.40/746,583.60 = 459,231.20/x
  3. Step 3: Cross multiply
    497,722.40x = 746,583.60 × 459,231.20
  4. Step 4: Simplify right side
    497,722.40x = 342,854,482,528.32
  5. Step 5: Solve for x
    x = 342,854,482,528.32/497,722.40
  6. Step 6: Final answer
    x = 688,846.80

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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.