Home / 922,961.54-1,382,587.87-459,942.86

Finding the Fourth Proportional to 922,961.54, 1,382,587.87 and 459,942.86

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Solution

The fourth proportional to 922,961.54, 1,382,587.87 and 459,942.86 is: 688,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,961.54 : 1,382,587.87 = 459,942.86 : x
  2. Step 2: Convert to fraction form
    922,961.54/1,382,587.87 = 459,942.86/x
  3. Step 3: Cross multiply
    922,961.54x = 1,382,587.87 × 459,942.86
  4. Step 4: Simplify right side
    922,961.54x = 635,911,419,129.11
  5. Step 5: Solve for x
    x = 635,911,419,129.11/922,961.54
  6. Step 6: Final answer
    x = 688,990.16

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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.