Home / 667,946.25-921,824.15-366,198.57

Finding the Fourth Proportional to 667,946.25, 921,824.15 and 366,198.57

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Solution

The fourth proportional to 667,946.25, 921,824.15 and 366,198.57 is: 505,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,946.25 : 921,824.15 = 366,198.57 : x
  2. Step 2: Convert to fraction form
    667,946.25/921,824.15 = 366,198.57/x
  3. Step 3: Cross multiply
    667,946.25x = 921,824.15 × 366,198.57
  4. Step 4: Simplify right side
    667,946.25x = 337,570,683,690.47
  5. Step 5: Solve for x
    x = 337,570,683,690.47/667,946.25
  6. Step 6: Final answer
    x = 505,386.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.