Home / 1,174,241.90-1,620,454.05-715,356.45

Finding the Fourth Proportional to 1,174,241.90, 1,620,454.05 and 715,356.45

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Solution

The fourth proportional to 1,174,241.90, 1,620,454.05 and 715,356.45 is: 987,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,241.90 : 1,620,454.05 = 715,356.45 : x
  2. Step 2: Convert to fraction form
    1,174,241.90/1,620,454.05 = 715,356.45/x
  3. Step 3: Cross multiply
    1,174,241.90x = 1,620,454.05 × 715,356.45
  4. Step 4: Simplify right side
    1,174,241.90x = 1,159,202,256,596.12
  5. Step 5: Solve for x
    x = 1,159,202,256,596.12/1,174,241.90
  6. Step 6: Final answer
    x = 987,192.04

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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.