Home / 497,741.40-746,612.10-298,675.80

Finding the Fourth Proportional to 497,741.40, 746,612.10 and 298,675.80

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Solution

The fourth proportional to 497,741.40, 746,612.10 and 298,675.80 is: 448,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741.40 : 746,612.10 = 298,675.80 : x
  2. Step 2: Convert to fraction form
    497,741.40/746,612.10 = 298,675.80/x
  3. Step 3: Cross multiply
    497,741.40x = 746,612.10 × 298,675.80
  4. Step 4: Simplify right side
    497,741.40x = 222,994,966,257.18
  5. Step 5: Solve for x
    x = 222,994,966,257.18/497,741.40
  6. Step 6: Final answer
    x = 448,013.70

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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.