Home / 936,200.72-1,291,949.70-506,479.52

Finding the Fourth Proportional to 936,200.72, 1,291,949.70 and 506,479.52

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Solution

The fourth proportional to 936,200.72, 1,291,949.70 and 506,479.52 is: 698,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,200.72 : 1,291,949.70 = 506,479.52 : x
  2. Step 2: Convert to fraction form
    936,200.72/1,291,949.70 = 506,479.52/x
  3. Step 3: Cross multiply
    936,200.72x = 1,291,949.70 × 506,479.52
  4. Step 4: Simplify right side
    936,200.72x = 654,346,063,920.14
  5. Step 5: Solve for x
    x = 654,346,063,920.14/936,200.72
  6. Step 6: Final answer
    x = 698,937.79

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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.