Home / 949,113.64-1,309,774.42-519,390.01

Finding the Fourth Proportional to 949,113.64, 1,309,774.42 and 519,390.01

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Solution

The fourth proportional to 949,113.64, 1,309,774.42 and 519,390.01 is: 716,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,113.64 : 1,309,774.42 = 519,390.01 : x
  2. Step 2: Convert to fraction form
    949,113.64/1,309,774.42 = 519,390.01/x
  3. Step 3: Cross multiply
    949,113.64x = 1,309,774.42 × 519,390.01
  4. Step 4: Simplify right side
    949,113.64x = 680,283,749,101.54
  5. Step 5: Solve for x
    x = 680,283,749,101.54/949,113.64
  6. Step 6: Final answer
    x = 716,756.90

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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.