Home / 1,147,494.90-1,583,598.96-638,186.34

Finding the Fourth Proportional to 1,147,494.90, 1,583,598.96 and 638,186.34

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Solution

The fourth proportional to 1,147,494.90, 1,583,598.96 and 638,186.34 is: 880,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,494.90 : 1,583,598.96 = 638,186.34 : x
  2. Step 2: Convert to fraction form
    1,147,494.90/1,583,598.96 = 638,186.34/x
  3. Step 3: Cross multiply
    1,147,494.90x = 1,583,598.96 × 638,186.34
  4. Step 4: Simplify right side
    1,147,494.90x = 1,010,631,224,310.21
  5. Step 5: Solve for x
    x = 1,010,631,224,310.21/1,147,494.90
  6. Step 6: Final answer
    x = 880,728.29

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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.