Home / 832,491.42-1,148,890.07-469,976.70

Finding the Fourth Proportional to 832,491.42, 1,148,890.07 and 469,976.70

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Solution

The fourth proportional to 832,491.42, 1,148,890.07 and 469,976.70 is: 648,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,491.42 : 1,148,890.07 = 469,976.70 : x
  2. Step 2: Convert to fraction form
    832,491.42/1,148,890.07 = 469,976.70/x
  3. Step 3: Cross multiply
    832,491.42x = 1,148,890.07 × 469,976.70
  4. Step 4: Simplify right side
    832,491.42x = 539,951,563,761.37
  5. Step 5: Solve for x
    x = 539,951,563,761.37/832,491.42
  6. Step 6: Final answer
    x = 648,597.15

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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.