Home / 936,693.76-1,292,828.16-634,984.96

Finding the Fourth Proportional to 936,693.76, 1,292,828.16 and 634,984.96

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Solution

The fourth proportional to 936,693.76, 1,292,828.16 and 634,984.96 is: 876,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,693.76 : 1,292,828.16 = 634,984.96 : x
  2. Step 2: Convert to fraction form
    936,693.76/1,292,828.16 = 634,984.96/x
  3. Step 3: Cross multiply
    936,693.76x = 1,292,828.16 × 634,984.96
  4. Step 4: Simplify right side
    936,693.76x = 820,926,437,464.47
  5. Step 5: Solve for x
    x = 820,926,437,464.47/936,693.76
  6. Step 6: Final answer
    x = 876,408.57

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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.