Home / 687,321.01-1,031,735.73-546,074.22

Finding the Fourth Proportional to 687,321.01, 1,031,735.73 and 546,074.22

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Solution

The fourth proportional to 687,321.01, 1,031,735.73 and 546,074.22 is: 819,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,321.01 : 1,031,735.73 = 546,074.22 : x
  2. Step 2: Convert to fraction form
    687,321.01/1,031,735.73 = 546,074.22/x
  3. Step 3: Cross multiply
    687,321.01x = 1,031,735.73 × 546,074.22
  4. Step 4: Simplify right side
    687,321.01x = 563,404,286,851.00
  5. Step 5: Solve for x
    x = 563,404,286,851.00/687,321.01
  6. Step 6: Final answer
    x = 819,710.55

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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.