Home / 919,934.60-1,379,901.90-565,640.60

Finding the Fourth Proportional to 919,934.60, 1,379,901.90 and 565,640.60

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Solution

The fourth proportional to 919,934.60, 1,379,901.90 and 565,640.60 is: 848,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,934.60 : 1,379,901.90 = 565,640.60 : x
  2. Step 2: Convert to fraction form
    919,934.60/1,379,901.90 = 565,640.60/x
  3. Step 3: Cross multiply
    919,934.60x = 1,379,901.90 × 565,640.60
  4. Step 4: Simplify right side
    919,934.60x = 780,528,538,657.14
  5. Step 5: Solve for x
    x = 780,528,538,657.14/919,934.60
  6. Step 6: Final answer
    x = 848,460.90

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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.