Home / 941,786.40-1,299,656.04-512,066.52

Finding the Fourth Proportional to 941,786.40, 1,299,656.04 and 512,066.52

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Solution

The fourth proportional to 941,786.40, 1,299,656.04 and 512,066.52 is: 706,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,786.40 : 1,299,656.04 = 512,066.52 : x
  2. Step 2: Convert to fraction form
    941,786.40/1,299,656.04 = 512,066.52/x
  3. Step 3: Cross multiply
    941,786.40x = 1,299,656.04 × 512,066.52
  4. Step 4: Simplify right side
    941,786.40x = 665,510,345,599.78
  5. Step 5: Solve for x
    x = 665,510,345,599.78/941,786.40
  6. Step 6: Final answer
    x = 706,646.80

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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.