Home / 922,960.54-1,382,586.37-459,941.86

Finding the Fourth Proportional to 922,960.54, 1,382,586.37 and 459,941.86

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Solution

The fourth proportional to 922,960.54, 1,382,586.37 and 459,941.86 is: 688,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,960.54 : 1,382,586.37 = 459,941.86 : x
  2. Step 2: Convert to fraction form
    922,960.54/1,382,586.37 = 459,941.86/x
  3. Step 3: Cross multiply
    922,960.54x = 1,382,586.37 × 459,941.86
  4. Step 4: Simplify right side
    922,960.54x = 635,909,346,628.45
  5. Step 5: Solve for x
    x = 635,909,346,628.45/922,960.54
  6. Step 6: Final answer
    x = 688,988.66

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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.