Home / 941,574.24-1,299,380.90-511,855.20

Finding the Fourth Proportional to 941,574.24, 1,299,380.90 and 511,855.20

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Solution

The fourth proportional to 941,574.24, 1,299,380.90 and 511,855.20 is: 706,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,574.24 : 1,299,380.90 = 511,855.20 : x
  2. Step 2: Convert to fraction form
    941,574.24/1,299,380.90 = 511,855.20/x
  3. Step 3: Cross multiply
    941,574.24x = 1,299,380.90 × 511,855.20
  4. Step 4: Simplify right side
    941,574.24x = 665,094,870,445.68
  5. Step 5: Solve for x
    x = 665,094,870,445.68/941,574.24
  6. Step 6: Final answer
    x = 706,364.77

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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.