Home / 461,918.80-692,878.20-304,325.20

Finding the Fourth Proportional to 461,918.80, 692,878.20 and 304,325.20

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Solution

The fourth proportional to 461,918.80, 692,878.20 and 304,325.20 is: 456,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,918.80 : 692,878.20 = 304,325.20 : x
  2. Step 2: Convert to fraction form
    461,918.80/692,878.20 = 304,325.20/x
  3. Step 3: Cross multiply
    461,918.80x = 692,878.20 × 304,325.20
  4. Step 4: Simplify right side
    461,918.80x = 210,860,296,790.64
  5. Step 5: Solve for x
    x = 210,860,296,790.64/461,918.80
  6. Step 6: Final answer
    x = 456,487.80

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Similar ratio
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1.5x scale

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.