Home / 709,630.40-1,064,615.70-236,319.86

Finding the Fourth Proportional to 709,630.40, 1,064,615.70 and 236,319.86

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Solution

The fourth proportional to 709,630.40, 1,064,615.70 and 236,319.86 is: 354,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,630.40 : 1,064,615.70 = 236,319.86 : x
  2. Step 2: Convert to fraction form
    709,630.40/1,064,615.70 = 236,319.86/x
  3. Step 3: Cross multiply
    709,630.40x = 1,064,615.70 × 236,319.86
  4. Step 4: Simplify right side
    709,630.40x = 251,589,833,177.80
  5. Step 5: Solve for x
    x = 251,589,833,177.80/709,630.40
  6. Step 6: Final answer
    x = 354,536.44

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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.