Home / 831,784.56-1,147,809.24-474,065.52

Finding the Fourth Proportional to 831,784.56, 1,147,809.24 and 474,065.52

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Solution

The fourth proportional to 831,784.56, 1,147,809.24 and 474,065.52 is: 654,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,784.56 : 1,147,809.24 = 474,065.52 : x
  2. Step 2: Convert to fraction form
    831,784.56/1,147,809.24 = 474,065.52/x
  3. Step 3: Cross multiply
    831,784.56x = 1,147,809.24 × 474,065.52
  4. Step 4: Simplify right side
    831,784.56x = 544,136,784,221.41
  5. Step 5: Solve for x
    x = 544,136,784,221.41/831,784.56
  6. Step 6: Final answer
    x = 654,179.95

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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.