Home / 805,983.40-1,207,352.16-373,090.90

Finding the Fourth Proportional to 805,983.40, 1,207,352.16 and 373,090.90

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Solution

The fourth proportional to 805,983.40, 1,207,352.16 and 373,090.90 is: 558,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,983.40 : 1,207,352.16 = 373,090.90 : x
  2. Step 2: Convert to fraction form
    805,983.40/1,207,352.16 = 373,090.90/x
  3. Step 3: Cross multiply
    805,983.40x = 1,207,352.16 × 373,090.90
  4. Step 4: Simplify right side
    805,983.40x = 450,452,103,991.34
  5. Step 5: Solve for x
    x = 450,452,103,991.34/805,983.40
  6. Step 6: Final answer
    x = 558,885.09

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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.