Home / 1,132,380-1,698,832.44-384,426

Finding the Fourth Proportional to 1,132,380, 1,698,832.44 and 384,426

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Solution

The fourth proportional to 1,132,380, 1,698,832.44 and 384,426 is: 576,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,380 : 1,698,832.44 = 384,426 : x
  2. Step 2: Convert to fraction form
    1,132,380/1,698,832.44 = 384,426/x
  3. Step 3: Cross multiply
    1,132,380x = 1,698,832.44 × 384,426
  4. Step 4: Simplify right side
    1,132,380x = 653,075,359,579.44
  5. Step 5: Solve for x
    x = 653,075,359,579.44/1,132,380
  6. Step 6: Final answer
    x = 576,728.09

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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.