Home / 709,109.40-1,063,809.90-236,134.20

Finding the Fourth Proportional to 709,109.40, 1,063,809.90 and 236,134.20

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Solution

The fourth proportional to 709,109.40, 1,063,809.90 and 236,134.20 is: 354,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,109.40 : 1,063,809.90 = 236,134.20 : x
  2. Step 2: Convert to fraction form
    709,109.40/1,063,809.90 = 236,134.20/x
  3. Step 3: Cross multiply
    709,109.40x = 1,063,809.90 × 236,134.20
  4. Step 4: Simplify right side
    709,109.40x = 251,201,899,688.58
  5. Step 5: Solve for x
    x = 251,201,899,688.58/709,109.40
  6. Step 6: Final answer
    x = 354,249.85

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Double scale
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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.