Home / 936,132.72-1,291,859.24-506,411.78

Finding the Fourth Proportional to 936,132.72, 1,291,859.24 and 506,411.78

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Solution

The fourth proportional to 936,132.72, 1,291,859.24 and 506,411.78 is: 698,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,132.72 : 1,291,859.24 = 506,411.78 : x
  2. Step 2: Convert to fraction form
    936,132.72/1,291,859.24 = 506,411.78/x
  3. Step 3: Cross multiply
    936,132.72x = 1,291,859.24 × 506,411.78
  4. Step 4: Simplify right side
    936,132.72x = 654,212,737,237.85
  5. Step 5: Solve for x
    x = 654,212,737,237.85/936,132.72
  6. Step 6: Final answer
    x = 698,846.14

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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.