Home / 922,050.86-1,382,743.78-389,613.15

Finding the Fourth Proportional to 922,050.86, 1,382,743.78 and 389,613.15

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Solution

The fourth proportional to 922,050.86, 1,382,743.78 and 389,613.15 is: 584,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,050.86 : 1,382,743.78 = 389,613.15 : x
  2. Step 2: Convert to fraction form
    922,050.86/1,382,743.78 = 389,613.15/x
  3. Step 3: Cross multiply
    922,050.86x = 1,382,743.78 × 389,613.15
  4. Step 4: Simplify right side
    922,050.86x = 538,735,158,794.67
  5. Step 5: Solve for x
    x = 538,735,158,794.67/922,050.86
  6. Step 6: Final answer
    x = 584,279.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.