Home / 941,710.59-1,299,554.28-511,990.74

Finding the Fourth Proportional to 941,710.59, 1,299,554.28 and 511,990.74

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Solution

The fourth proportional to 941,710.59, 1,299,554.28 and 511,990.74 is: 706,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,710.59 : 1,299,554.28 = 511,990.74 : x
  2. Step 2: Convert to fraction form
    941,710.59/1,299,554.28 = 511,990.74/x
  3. Step 3: Cross multiply
    941,710.59x = 1,299,554.28 × 511,990.74
  4. Step 4: Simplify right side
    941,710.59x = 665,359,757,487.37
  5. Step 5: Solve for x
    x = 665,359,757,487.37/941,710.59
  6. Step 6: Final answer
    x = 706,543.78

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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.