Home / 1,588,175.20-2,380,923.42-688,939.51

Finding the Fourth Proportional to 1,588,175.20, 2,380,923.42 and 688,939.51

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Solution

The fourth proportional to 1,588,175.20, 2,380,923.42 and 688,939.51 is: 1,032,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,175.20 : 2,380,923.42 = 688,939.51 : x
  2. Step 2: Convert to fraction form
    1,588,175.20/2,380,923.42 = 688,939.51/x
  3. Step 3: Cross multiply
    1,588,175.20x = 2,380,923.42 × 688,939.51
  4. Step 4: Simplify right side
    1,588,175.20x = 1,640,312,214,322.32
  5. Step 5: Solve for x
    x = 1,640,312,214,322.32/1,588,175.20
  6. Step 6: Final answer
    x = 1,032,828.25

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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.