Home / 941,994.29-1,299,960.83-512,278.49

Finding the Fourth Proportional to 941,994.29, 1,299,960.83 and 512,278.49

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Solution

The fourth proportional to 941,994.29, 1,299,960.83 and 512,278.49 is: 706,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,994.29 : 1,299,960.83 = 512,278.49 : x
  2. Step 2: Convert to fraction form
    941,994.29/1,299,960.83 = 512,278.49/x
  3. Step 3: Cross multiply
    941,994.29x = 1,299,960.83 × 512,278.49
  4. Step 4: Simplify right side
    941,994.29x = 665,941,968,490.15
  5. Step 5: Solve for x
    x = 665,941,968,490.15/941,994.29
  6. Step 6: Final answer
    x = 706,949.05

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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.