Home / 850,969.80-1,174,323.12-463,788.72

Finding the Fourth Proportional to 850,969.80, 1,174,323.12 and 463,788.72

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Solution

The fourth proportional to 850,969.80, 1,174,323.12 and 463,788.72 is: 640,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,969.80 : 1,174,323.12 = 463,788.72 : x
  2. Step 2: Convert to fraction form
    850,969.80/1,174,323.12 = 463,788.72/x
  3. Step 3: Cross multiply
    850,969.80x = 1,174,323.12 × 463,788.72
  4. Step 4: Simplify right side
    850,969.80x = 544,637,816,691.21
  5. Step 5: Solve for x
    x = 544,637,816,691.21/850,969.80
  6. Step 6: Final answer
    x = 640,020.15

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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.