Home / 547,031.34-819,402.59-439,834.83

Finding the Fourth Proportional to 547,031.34, 819,402.59 and 439,834.83

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Solution

The fourth proportional to 547,031.34, 819,402.59 and 439,834.83 is: 658,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,031.34 : 819,402.59 = 439,834.83 : x
  2. Step 2: Convert to fraction form
    547,031.34/819,402.59 = 439,834.83/x
  3. Step 3: Cross multiply
    547,031.34x = 819,402.59 × 439,834.83
  4. Step 4: Simplify right side
    547,031.34x = 360,401,796,901.04
  5. Step 5: Solve for x
    x = 360,401,796,901.04/547,031.34
  6. Step 6: Final answer
    x = 658,832.08

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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.