Home / 579,031.03-867,586.20-409,712.14

Finding the Fourth Proportional to 579,031.03, 867,586.20 and 409,712.14

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Solution

The fourth proportional to 579,031.03, 867,586.20 and 409,712.14 is: 613,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,031.03 : 867,586.20 = 409,712.14 : x
  2. Step 2: Convert to fraction form
    579,031.03/867,586.20 = 409,712.14/x
  3. Step 3: Cross multiply
    579,031.03x = 867,586.20 × 409,712.14
  4. Step 4: Simplify right side
    579,031.03x = 355,460,598,636.47
  5. Step 5: Solve for x
    x = 355,460,598,636.47/579,031.03
  6. Step 6: Final answer
    x = 613,888.69

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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.