Home / 831,714.18-1,147,772.43-459,189.10

Finding the Fourth Proportional to 831,714.18, 1,147,772.43 and 459,189.10

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Solution

The fourth proportional to 831,714.18, 1,147,772.43 and 459,189.10 is: 633,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,714.18 : 1,147,772.43 = 459,189.10 : x
  2. Step 2: Convert to fraction form
    831,714.18/1,147,772.43 = 459,189.10/x
  3. Step 3: Cross multiply
    831,714.18x = 1,147,772.43 × 459,189.10
  4. Step 4: Simplify right side
    831,714.18x = 527,044,586,840.57
  5. Step 5: Solve for x
    x = 527,044,586,840.57/831,714.18
  6. Step 6: Final answer
    x = 633,684.75

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1.5x scale

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.