Home / 798,178.08-1,101,489.05-435,609.61

Finding the Fourth Proportional to 798,178.08, 1,101,489.05 and 435,609.61

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Solution

The fourth proportional to 798,178.08, 1,101,489.05 and 435,609.61 is: 601,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,178.08 : 1,101,489.05 = 435,609.61 : x
  2. Step 2: Convert to fraction form
    798,178.08/1,101,489.05 = 435,609.61/x
  3. Step 3: Cross multiply
    798,178.08x = 1,101,489.05 × 435,609.61
  4. Step 4: Simplify right side
    798,178.08x = 479,819,215,489.77
  5. Step 5: Solve for x
    x = 479,819,215,489.77/798,178.08
  6. Step 6: Final answer
    x = 601,143.06

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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.