Home / 949,047.63-1,309,685.70-519,327.81

Finding the Fourth Proportional to 949,047.63, 1,309,685.70 and 519,327.81

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Solution

The fourth proportional to 949,047.63, 1,309,685.70 and 519,327.81 is: 716,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,047.63 : 1,309,685.70 = 519,327.81 : x
  2. Step 2: Convert to fraction form
    949,047.63/1,309,685.70 = 519,327.81/x
  3. Step 3: Cross multiply
    949,047.63x = 1,309,685.70 × 519,327.81
  4. Step 4: Simplify right side
    949,047.63x = 680,156,206,369.32
  5. Step 5: Solve for x
    x = 680,156,206,369.32/949,047.63
  6. Step 6: Final answer
    x = 716,672.36

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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.