Home / 948,809.42-1,309,371.76-519,096.74

Finding the Fourth Proportional to 948,809.42, 1,309,371.76 and 519,096.74

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Solution

The fourth proportional to 948,809.42, 1,309,371.76 and 519,096.74 is: 716,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,809.42 : 1,309,371.76 = 519,096.74 : x
  2. Step 2: Convert to fraction form
    948,809.42/1,309,371.76 = 519,096.74/x
  3. Step 3: Cross multiply
    948,809.42x = 1,309,371.76 × 519,096.74
  4. Step 4: Simplify right side
    948,809.42x = 679,690,612,064.06
  5. Step 5: Solve for x
    x = 679,690,612,064.06/948,809.42
  6. Step 6: Final answer
    x = 716,361.58

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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.