Home / 941,784.78-1,299,653.84-512,064.92

Finding the Fourth Proportional to 941,784.78, 1,299,653.84 and 512,064.92

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Solution

The fourth proportional to 941,784.78, 1,299,653.84 and 512,064.92 is: 706,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,784.78 : 1,299,653.84 = 512,064.92 : x
  2. Step 2: Convert to fraction form
    941,784.78/1,299,653.84 = 512,064.92/x
  3. Step 3: Cross multiply
    941,784.78x = 1,299,653.84 × 512,064.92
  4. Step 4: Simplify right side
    941,784.78x = 665,507,139,607.29
  5. Step 5: Solve for x
    x = 665,507,139,607.29/941,784.78
  6. Step 6: Final answer
    x = 706,644.61

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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.