Home / 557,623.80-836,435.70-401,326.20

Finding the Fourth Proportional to 557,623.80, 836,435.70 and 401,326.20

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Solution

The fourth proportional to 557,623.80, 836,435.70 and 401,326.20 is: 601,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,623.80 : 836,435.70 = 401,326.20 : x
  2. Step 2: Convert to fraction form
    557,623.80/836,435.70 = 401,326.20/x
  3. Step 3: Cross multiply
    557,623.80x = 836,435.70 × 401,326.20
  4. Step 4: Simplify right side
    557,623.80x = 335,683,561,025.34
  5. Step 5: Solve for x
    x = 335,683,561,025.34/557,623.80
  6. Step 6: Final answer
    x = 601,989.30

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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.