Home / 688,176-1,032,351.48-189,540

Finding the Fourth Proportional to 688,176, 1,032,351.48 and 189,540

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Solution

The fourth proportional to 688,176, 1,032,351.48 and 189,540 is: 284,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,176 : 1,032,351.48 = 189,540 : x
  2. Step 2: Convert to fraction form
    688,176/1,032,351.48 = 189,540/x
  3. Step 3: Cross multiply
    688,176x = 1,032,351.48 × 189,540
  4. Step 4: Simplify right side
    688,176x = 195,671,899,519.20
  5. Step 5: Solve for x
    x = 195,671,899,519.20/688,176
  6. Step 6: Final answer
    x = 284,334.09

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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.