Home / 790,173.76-1,090,092.28-463,319.92

Finding the Fourth Proportional to 790,173.76, 1,090,092.28 and 463,319.92

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Solution

The fourth proportional to 790,173.76, 1,090,092.28 and 463,319.92 is: 639,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,173.76 : 1,090,092.28 = 463,319.92 : x
  2. Step 2: Convert to fraction form
    790,173.76/1,090,092.28 = 463,319.92/x
  3. Step 3: Cross multiply
    790,173.76x = 1,090,092.28 × 463,319.92
  4. Step 4: Simplify right side
    790,173.76x = 505,061,467,962.22
  5. Step 5: Solve for x
    x = 505,061,467,962.22/790,173.76
  6. Step 6: Final answer
    x = 639,177.73

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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.