Home / 1,179,058.80-1,768,588.20-391,090.80

Finding the Fourth Proportional to 1,179,058.80, 1,768,588.20 and 391,090.80

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Solution

The fourth proportional to 1,179,058.80, 1,768,588.20 and 391,090.80 is: 586,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,058.80 : 1,768,588.20 = 391,090.80 : x
  2. Step 2: Convert to fraction form
    1,179,058.80/1,768,588.20 = 391,090.80/x
  3. Step 3: Cross multiply
    1,179,058.80x = 1,768,588.20 × 391,090.80
  4. Step 4: Simplify right side
    1,179,058.80x = 691,678,574,008.56
  5. Step 5: Solve for x
    x = 691,678,574,008.56/1,179,058.80
  6. Step 6: Final answer
    x = 586,636.20

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Similar ratio
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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.