Home / 949,224.64-1,309,900.80-519,495.52

Finding the Fourth Proportional to 949,224.64, 1,309,900.80 and 519,495.52

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Solution

The fourth proportional to 949,224.64, 1,309,900.80 and 519,495.52 is: 716,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,224.64 : 1,309,900.80 = 519,495.52 : x
  2. Step 2: Convert to fraction form
    949,224.64/1,309,900.80 = 519,495.52/x
  3. Step 3: Cross multiply
    949,224.64x = 1,309,900.80 × 519,495.52
  4. Step 4: Simplify right side
    949,224.64x = 680,487,597,244.42
  5. Step 5: Solve for x
    x = 680,487,597,244.42/949,224.64
  6. Step 6: Final answer
    x = 716,887.84

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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.