Home / 1,140,770.13-1,712,837.36-636,316.71

Finding the Fourth Proportional to 1,140,770.13, 1,712,837.36 and 636,316.71

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Solution

The fourth proportional to 1,140,770.13, 1,712,837.36 and 636,316.71 is: 955,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,770.13 : 1,712,837.36 = 636,316.71 : x
  2. Step 2: Convert to fraction form
    1,140,770.13/1,712,837.36 = 636,316.71/x
  3. Step 3: Cross multiply
    1,140,770.13x = 1,712,837.36 × 636,316.71
  4. Step 4: Simplify right side
    1,140,770.13x = 1,089,907,033,680.29
  5. Step 5: Solve for x
    x = 1,089,907,033,680.29/1,140,770.13
  6. Step 6: Final answer
    x = 955,413.37

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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.