Home / 1,093,437.60-1,640,156.40-756,384.45

Finding the Fourth Proportional to 1,093,437.60, 1,640,156.40 and 756,384.45

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Solution

The fourth proportional to 1,093,437.60, 1,640,156.40 and 756,384.45 is: 1,134,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,437.60 : 1,640,156.40 = 756,384.45 : x
  2. Step 2: Convert to fraction form
    1,093,437.60/1,640,156.40 = 756,384.45/x
  3. Step 3: Cross multiply
    1,093,437.60x = 1,640,156.40 × 756,384.45
  4. Step 4: Simplify right side
    1,093,437.60x = 1,240,588,796,527.98
  5. Step 5: Solve for x
    x = 1,240,588,796,527.98/1,093,437.60
  6. Step 6: Final answer
    x = 1,134,576.68

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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.