Home / 690,471.36-952,714.08-436,171.20

Finding the Fourth Proportional to 690,471.36, 952,714.08 and 436,171.20

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Solution

The fourth proportional to 690,471.36, 952,714.08 and 436,171.20 is: 601,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,471.36 : 952,714.08 = 436,171.20 : x
  2. Step 2: Convert to fraction form
    690,471.36/952,714.08 = 436,171.20/x
  3. Step 3: Cross multiply
    690,471.36x = 952,714.08 × 436,171.20
  4. Step 4: Simplify right side
    690,471.36x = 415,546,443,530.50
  5. Step 5: Solve for x
    x = 415,546,443,530.50/690,471.36
  6. Step 6: Final answer
    x = 601,830.09

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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.