Home / 936,121.66-1,291,847.23-506,402.13

Finding the Fourth Proportional to 936,121.66, 1,291,847.23 and 506,402.13

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Solution

The fourth proportional to 936,121.66, 1,291,847.23 and 506,402.13 is: 698,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,121.66 : 1,291,847.23 = 506,402.13 : x
  2. Step 2: Convert to fraction form
    936,121.66/1,291,847.23 = 506,402.13/x
  3. Step 3: Cross multiply
    936,121.66x = 1,291,847.23 × 506,402.13
  4. Step 4: Simplify right side
    936,121.66x = 654,194,187,117.39
  5. Step 5: Solve for x
    x = 654,194,187,117.39/936,121.66
  6. Step 6: Final answer
    x = 698,834.58

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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.