Home / 954,998.88-1,431,242.64-393,721.44

Finding the Fourth Proportional to 954,998.88, 1,431,242.64 and 393,721.44

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Solution

The fourth proportional to 954,998.88, 1,431,242.64 and 393,721.44 is: 590,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,998.88 : 1,431,242.64 = 393,721.44 : x
  2. Step 2: Convert to fraction form
    954,998.88/1,431,242.64 = 393,721.44/x
  3. Step 3: Cross multiply
    954,998.88x = 1,431,242.64 × 393,721.44
  4. Step 4: Simplify right side
    954,998.88x = 563,510,913,210.20
  5. Step 5: Solve for x
    x = 563,510,913,210.20/954,998.88
  6. Step 6: Final answer
    x = 590,064.48

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1.5x scale

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.