Home / 572,162.40-857,077.20-291,837.60

Finding the Fourth Proportional to 572,162.40, 857,077.20 and 291,837.60

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Solution

The fourth proportional to 572,162.40, 857,077.20 and 291,837.60 is: 437,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,162.40 : 857,077.20 = 291,837.60 : x
  2. Step 2: Convert to fraction form
    572,162.40/857,077.20 = 291,837.60/x
  3. Step 3: Cross multiply
    572,162.40x = 857,077.20 × 291,837.60
  4. Step 4: Simplify right side
    572,162.40x = 250,127,353,062.72
  5. Step 5: Solve for x
    x = 250,127,353,062.72/572,162.40
  6. Step 6: Final answer
    x = 437,161.47

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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.