Home / 825,343.18-1,138,554.39-539,030.86

Finding the Fourth Proportional to 825,343.18, 1,138,554.39 and 539,030.86

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Solution

The fourth proportional to 825,343.18, 1,138,554.39 and 539,030.86 is: 743,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,343.18 : 1,138,554.39 = 539,030.86 : x
  2. Step 2: Convert to fraction form
    825,343.18/1,138,554.39 = 539,030.86/x
  3. Step 3: Cross multiply
    825,343.18x = 1,138,554.39 × 539,030.86
  4. Step 4: Simplify right side
    825,343.18x = 613,715,951,173.46
  5. Step 5: Solve for x
    x = 613,715,951,173.46/825,343.18
  6. Step 6: Final answer
    x = 743,588.81

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Double scale
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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.