Home / 948,811.71-1,309,374.92-519,099.02

Finding the Fourth Proportional to 948,811.71, 1,309,374.92 and 519,099.02

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Solution

The fourth proportional to 948,811.71, 1,309,374.92 and 519,099.02 is: 716,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,811.71 : 1,309,374.92 = 519,099.02 : x
  2. Step 2: Convert to fraction form
    948,811.71/1,309,374.92 = 519,099.02/x
  3. Step 3: Cross multiply
    948,811.71x = 1,309,374.92 × 519,099.02
  4. Step 4: Simplify right side
    948,811.71x = 679,695,228,642.21
  5. Step 5: Solve for x
    x = 679,695,228,642.21/948,811.71
  6. Step 6: Final answer
    x = 716,364.71

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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.