Home / 941,739.21-1,299,612.90-512,018.31

Finding the Fourth Proportional to 941,739.21, 1,299,612.90 and 512,018.31

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Solution

The fourth proportional to 941,739.21, 1,299,612.90 and 512,018.31 is: 706,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,739.21 : 1,299,612.90 = 512,018.31 : x
  2. Step 2: Convert to fraction form
    941,739.21/1,299,612.90 = 512,018.31/x
  3. Step 3: Cross multiply
    941,739.21x = 1,299,612.90 × 512,018.31
  4. Step 4: Simplify right side
    941,739.21x = 665,425,607,505.82
  5. Step 5: Solve for x
    x = 665,425,607,505.82/941,739.21
  6. Step 6: Final answer
    x = 706,592.23

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1.5x scale

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.