Home / 925,898.57-1,277,730.60-512,436.15

Finding the Fourth Proportional to 925,898.57, 1,277,730.60 and 512,436.15

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Solution

The fourth proportional to 925,898.57, 1,277,730.60 and 512,436.15 is: 707,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,898.57 : 1,277,730.60 = 512,436.15 : x
  2. Step 2: Convert to fraction form
    925,898.57/1,277,730.60 = 512,436.15/x
  3. Step 3: Cross multiply
    925,898.57x = 1,277,730.60 × 512,436.15
  4. Step 4: Simplify right side
    925,898.57x = 654,755,349,401.19
  5. Step 5: Solve for x
    x = 654,755,349,401.19/925,898.57
  6. Step 6: Final answer
    x = 707,156.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.