Home / 818,033.01-1,227,610.05-285,554.13

Finding the Fourth Proportional to 818,033.01, 1,227,610.05 and 285,554.13

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Solution

The fourth proportional to 818,033.01, 1,227,610.05 and 285,554.13 is: 428,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,033.01 : 1,227,610.05 = 285,554.13 : x
  2. Step 2: Convert to fraction form
    818,033.01/1,227,610.05 = 285,554.13/x
  3. Step 3: Cross multiply
    818,033.01x = 1,227,610.05 × 285,554.13
  4. Step 4: Simplify right side
    818,033.01x = 350,549,119,807.01
  5. Step 5: Solve for x
    x = 350,549,119,807.01/818,033.01
  6. Step 6: Final answer
    x = 428,526.86

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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.