Home / 1,053,128.64-1,576,416.96-572,153.76

Finding the Fourth Proportional to 1,053,128.64, 1,576,416.96 and 572,153.76

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Solution

The fourth proportional to 1,053,128.64, 1,576,416.96 and 572,153.76 is: 856,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,128.64 : 1,576,416.96 = 572,153.76 : x
  2. Step 2: Convert to fraction form
    1,053,128.64/1,576,416.96 = 572,153.76/x
  3. Step 3: Cross multiply
    1,053,128.64x = 1,576,416.96 × 572,153.76
  4. Step 4: Simplify right side
    1,053,128.64x = 901,952,890,991.77
  5. Step 5: Solve for x
    x = 901,952,890,991.77/1,053,128.64
  6. Step 6: Final answer
    x = 856,450.82

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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.