Home / 579,168.77-799,253.15-352,814.27

Finding the Fourth Proportional to 579,168.77, 799,253.15 and 352,814.27

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Solution

The fourth proportional to 579,168.77, 799,253.15 and 352,814.27 is: 486,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,168.77 : 799,253.15 = 352,814.27 : x
  2. Step 2: Convert to fraction form
    579,168.77/799,253.15 = 352,814.27/x
  3. Step 3: Cross multiply
    579,168.77x = 799,253.15 × 352,814.27
  4. Step 4: Simplify right side
    579,168.77x = 281,987,910,902.11
  5. Step 5: Solve for x
    x = 281,987,910,902.11/579,168.77
  6. Step 6: Final answer
    x = 486,883.84

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Half scale
Find fourth proportional to 1,158,337.53, 1,598,506.29 and 705,628.53
Double scale
Find fourth proportional to 579,169.77, 799,254.53 and 352,815.27
Similar ratio
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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.