Home / 923,123.72-1,273,824.46-535,836.40

Finding the Fourth Proportional to 923,123.72, 1,273,824.46 and 535,836.40

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Solution

The fourth proportional to 923,123.72, 1,273,824.46 and 535,836.40 is: 739,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,123.72 : 1,273,824.46 = 535,836.40 : x
  2. Step 2: Convert to fraction form
    923,123.72/1,273,824.46 = 535,836.40/x
  3. Step 3: Cross multiply
    923,123.72x = 1,273,824.46 × 535,836.40
  4. Step 4: Simplify right side
    923,123.72x = 682,561,512,878.34
  5. Step 5: Solve for x
    x = 682,561,512,878.34/923,123.72
  6. Step 6: Final answer
    x = 739,404.15

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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.