Home / 461,921.80-692,904.30-146,403.40

Finding the Fourth Proportional to 461,921.80, 692,904.30 and 146,403.40

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Solution

The fourth proportional to 461,921.80, 692,904.30 and 146,403.40 is: 219,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.80 : 692,904.30 = 146,403.40 : x
  2. Step 2: Convert to fraction form
    461,921.80/692,904.30 = 146,403.40/x
  3. Step 3: Cross multiply
    461,921.80x = 692,904.30 × 146,403.40
  4. Step 4: Simplify right side
    461,921.80x = 101,443,545,394.62
  5. Step 5: Solve for x
    x = 101,443,545,394.62/461,921.80
  6. Step 6: Final answer
    x = 219,611.95

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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.