Home / 941,798.73-1,299,646.44-512,079.21

Finding the Fourth Proportional to 941,798.73, 1,299,646.44 and 512,079.21

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Solution

The fourth proportional to 941,798.73, 1,299,646.44 and 512,079.21 is: 706,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,798.73 : 1,299,646.44 = 512,079.21 : x
  2. Step 2: Convert to fraction form
    941,798.73/1,299,646.44 = 512,079.21/x
  3. Step 3: Cross multiply
    941,798.73x = 1,299,646.44 × 512,079.21
  4. Step 4: Simplify right side
    941,798.73x = 665,521,922,274.51
  5. Step 5: Solve for x
    x = 665,521,922,274.51/941,798.73
  6. Step 6: Final answer
    x = 706,649.84

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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.