Home / 731,990.41-1,010,146.62-409,700.50

Finding the Fourth Proportional to 731,990.41, 1,010,146.62 and 409,700.50

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Solution

The fourth proportional to 731,990.41, 1,010,146.62 and 409,700.50 is: 565,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,990.41 : 1,010,146.62 = 409,700.50 : x
  2. Step 2: Convert to fraction form
    731,990.41/1,010,146.62 = 409,700.50/x
  3. Step 3: Cross multiply
    731,990.41x = 1,010,146.62 × 409,700.50
  4. Step 4: Simplify right side
    731,990.41x = 413,857,575,287.31
  5. Step 5: Solve for x
    x = 413,857,575,287.31/731,990.41
  6. Step 6: Final answer
    x = 565,386.61

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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.