Home / 723,031.20-1,084,541.32-217,590

Finding the Fourth Proportional to 723,031.20, 1,084,541.32 and 217,590

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Solution

The fourth proportional to 723,031.20, 1,084,541.32 and 217,590 is: 326,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,031.20 : 1,084,541.32 = 217,590 : x
  2. Step 2: Convert to fraction form
    723,031.20/1,084,541.32 = 217,590/x
  3. Step 3: Cross multiply
    723,031.20x = 1,084,541.32 × 217,590
  4. Step 4: Simplify right side
    723,031.20x = 235,985,345,818.80
  5. Step 5: Solve for x
    x = 235,985,345,818.80/723,031.20
  6. Step 6: Final answer
    x = 326,383.35

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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.