Home / 925,827.42-1,277,612.18-517,920.48

Finding the Fourth Proportional to 925,827.42, 1,277,612.18 and 517,920.48

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Solution

The fourth proportional to 925,827.42, 1,277,612.18 and 517,920.48 is: 714,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,827.42 : 1,277,612.18 = 517,920.48 : x
  2. Step 2: Convert to fraction form
    925,827.42/1,277,612.18 = 517,920.48/x
  3. Step 3: Cross multiply
    925,827.42x = 1,277,612.18 × 517,920.48
  4. Step 4: Simplify right side
    925,827.42x = 661,701,514,814.25
  5. Step 5: Solve for x
    x = 661,701,514,814.25/925,827.42
  6. Step 6: Final answer
    x = 714,713.67

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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.