Home / 949,082.56-1,309,734.08-519,362.80

Finding the Fourth Proportional to 949,082.56, 1,309,734.08 and 519,362.80

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Solution

The fourth proportional to 949,082.56, 1,309,734.08 and 519,362.80 is: 716,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,082.56 : 1,309,734.08 = 519,362.80 : x
  2. Step 2: Convert to fraction form
    949,082.56/1,309,734.08 = 519,362.80/x
  3. Step 3: Cross multiply
    949,082.56x = 1,309,734.08 × 519,362.80
  4. Step 4: Simplify right side
    949,082.56x = 680,227,159,044.22
  5. Step 5: Solve for x
    x = 680,227,159,044.22/949,082.56
  6. Step 6: Final answer
    x = 716,720.74

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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.