Home / 1,147,243.16-1,583,196.86-637,934.60

Finding the Fourth Proportional to 1,147,243.16, 1,583,196.86 and 637,934.60

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Solution

The fourth proportional to 1,147,243.16, 1,583,196.86 and 637,934.60 is: 880,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,243.16 : 1,583,196.86 = 637,934.60 : x
  2. Step 2: Convert to fraction form
    1,147,243.16/1,583,196.86 = 637,934.60/x
  3. Step 3: Cross multiply
    1,147,243.16x = 1,583,196.86 × 637,934.60
  4. Step 4: Simplify right side
    1,147,243.16x = 1,009,976,052,415.68
  5. Step 5: Solve for x
    x = 1,009,976,052,415.68/1,147,243.16
  6. Step 6: Final answer
    x = 880,350.47

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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.