Home / 851,190.54-1,174,644.58-464,009.12

Finding the Fourth Proportional to 851,190.54, 1,174,644.58 and 464,009.12

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Solution

The fourth proportional to 851,190.54, 1,174,644.58 and 464,009.12 is: 640,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,190.54 : 1,174,644.58 = 464,009.12 : x
  2. Step 2: Convert to fraction form
    851,190.54/1,174,644.58 = 464,009.12/x
  3. Step 3: Cross multiply
    851,190.54x = 1,174,644.58 × 464,009.12
  4. Step 4: Simplify right side
    851,190.54x = 545,045,797,878.57
  5. Step 5: Solve for x
    x = 545,045,797,878.57/851,190.54
  6. Step 6: Final answer
    x = 640,333.48

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Double scale
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1.5x scale

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.