Home / 511,589.04-706,004.28-282,153.30

Finding the Fourth Proportional to 511,589.04, 706,004.28 and 282,153.30

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Solution

The fourth proportional to 511,589.04, 706,004.28 and 282,153.30 is: 389,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,589.04 : 706,004.28 = 282,153.30 : x
  2. Step 2: Convert to fraction form
    511,589.04/706,004.28 = 282,153.30/x
  3. Step 3: Cross multiply
    511,589.04x = 706,004.28 × 282,153.30
  4. Step 4: Simplify right side
    511,589.04x = 199,201,437,416.12
  5. Step 5: Solve for x
    x = 199,201,437,416.12/511,589.04
  6. Step 6: Final answer
    x = 389,377.84

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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.