Home / 1,149,467.49-1,586,314.40-640,169.87

Finding the Fourth Proportional to 1,149,467.49, 1,586,314.40 and 640,169.87

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Solution

The fourth proportional to 1,149,467.49, 1,586,314.40 and 640,169.87 is: 883,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,467.49 : 1,586,314.40 = 640,169.87 : x
  2. Step 2: Convert to fraction form
    1,149,467.49/1,586,314.40 = 640,169.87/x
  3. Step 3: Cross multiply
    1,149,467.49x = 1,586,314.40 × 640,169.87
  4. Step 4: Simplify right side
    1,149,467.49x = 1,015,510,672,094.71
  5. Step 5: Solve for x
    x = 1,015,510,672,094.71/1,149,467.49
  6. Step 6: Final answer
    x = 883,461.85

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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.