Home / 1,021,052.64-1,531,807.38-311,136.24

Finding the Fourth Proportional to 1,021,052.64, 1,531,807.38 and 311,136.24

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Solution

The fourth proportional to 1,021,052.64, 1,531,807.38 and 311,136.24 is: 466,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,052.64 : 1,531,807.38 = 311,136.24 : x
  2. Step 2: Convert to fraction form
    1,021,052.64/1,531,807.38 = 311,136.24/x
  3. Step 3: Cross multiply
    1,021,052.64x = 1,531,807.38 × 311,136.24
  4. Step 4: Simplify right side
    1,021,052.64x = 476,600,788,617.45
  5. Step 5: Solve for x
    x = 476,600,788,617.45/1,021,052.64
  6. Step 6: Final answer
    x = 466,773.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.