Home / 461,639.80-692,459.70-304,046.20

Finding the Fourth Proportional to 461,639.80, 692,459.70 and 304,046.20

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Solution

The fourth proportional to 461,639.80, 692,459.70 and 304,046.20 is: 456,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,639.80 : 692,459.70 = 304,046.20 : x
  2. Step 2: Convert to fraction form
    461,639.80/692,459.70 = 304,046.20/x
  3. Step 3: Cross multiply
    461,639.80x = 692,459.70 × 304,046.20
  4. Step 4: Simplify right side
    461,639.80x = 210,539,740,438.14
  5. Step 5: Solve for x
    x = 210,539,740,438.14/461,639.80
  6. Step 6: Final answer
    x = 456,069.30

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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.