Home / 1,292,507.16-1,938,833.16-393,978.24

Finding the Fourth Proportional to 1,292,507.16, 1,938,833.16 and 393,978.24

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Solution

The fourth proportional to 1,292,507.16, 1,938,833.16 and 393,978.24 is: 590,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,507.16 : 1,938,833.16 = 393,978.24 : x
  2. Step 2: Convert to fraction form
    1,292,507.16/1,938,833.16 = 393,978.24/x
  3. Step 3: Cross multiply
    1,292,507.16x = 1,938,833.16 × 393,978.24
  4. Step 4: Simplify right side
    1,292,507.16x = 763,858,076,030.44
  5. Step 5: Solve for x
    x = 763,858,076,030.44/1,292,507.16
  6. Step 6: Final answer
    x = 590,989.43

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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.