Home / 461,927.20-692,890.80-213,095.20

Finding the Fourth Proportional to 461,927.20, 692,890.80 and 213,095.20

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Solution

The fourth proportional to 461,927.20, 692,890.80 and 213,095.20 is: 319,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,927.20 : 692,890.80 = 213,095.20 : x
  2. Step 2: Convert to fraction form
    461,927.20/692,890.80 = 213,095.20/x
  3. Step 3: Cross multiply
    461,927.20x = 692,890.80 × 213,095.20
  4. Step 4: Simplify right side
    461,927.20x = 147,651,703,604.16
  5. Step 5: Solve for x
    x = 147,651,703,604.16/461,927.20
  6. Step 6: Final answer
    x = 319,642.80

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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.