Home / 1,172,556-1,758,385.64-639,792.24

Finding the Fourth Proportional to 1,172,556, 1,758,385.64 and 639,792.24

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Solution

The fourth proportional to 1,172,556, 1,758,385.64 and 639,792.24 is: 959,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,556 : 1,758,385.64 = 639,792.24 : x
  2. Step 2: Convert to fraction form
    1,172,556/1,758,385.64 = 639,792.24/x
  3. Step 3: Cross multiply
    1,172,556x = 1,758,385.64 × 639,792.24
  4. Step 4: Simplify right side
    1,172,556x = 1,125,001,487,399.43
  5. Step 5: Solve for x
    x = 1,125,001,487,399.43/1,172,556
  6. Step 6: Final answer
    x = 959,443.72

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1.5x scale

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.