Home / 831,725.32-1,147,787.80-459,200.24

Finding the Fourth Proportional to 831,725.32, 1,147,787.80 and 459,200.24

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Solution

The fourth proportional to 831,725.32, 1,147,787.80 and 459,200.24 is: 633,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,725.32 : 1,147,787.80 = 459,200.24 : x
  2. Step 2: Convert to fraction form
    831,725.32/1,147,787.80 = 459,200.24/x
  3. Step 3: Cross multiply
    831,725.32x = 1,147,787.80 × 459,200.24
  4. Step 4: Simplify right side
    831,725.32x = 527,064,433,229.07
  5. Step 5: Solve for x
    x = 527,064,433,229.07/831,725.32
  6. Step 6: Final answer
    x = 633,700.12

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Double scale
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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.