Home / 511,977.81-706,528.63-282,535.11

Finding the Fourth Proportional to 511,977.81, 706,528.63 and 282,535.11

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Solution

The fourth proportional to 511,977.81, 706,528.63 and 282,535.11 is: 389,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,977.81 : 706,528.63 = 282,535.11 : x
  2. Step 2: Convert to fraction form
    511,977.81/706,528.63 = 282,535.11/x
  3. Step 3: Cross multiply
    511,977.81x = 706,528.63 × 282,535.11
  4. Step 4: Simplify right side
    511,977.81x = 199,619,146,734.13
  5. Step 5: Solve for x
    x = 199,619,146,734.13/511,977.81
  6. Step 6: Final answer
    x = 389,898.04

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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.