Home / 1,016,528.10-1,523,042.55-661,359.30

Finding the Fourth Proportional to 1,016,528.10, 1,523,042.55 and 661,359.30

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Solution

The fourth proportional to 1,016,528.10, 1,523,042.55 and 661,359.30 is: 990,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,528.10 : 1,523,042.55 = 661,359.30 : x
  2. Step 2: Convert to fraction form
    1,016,528.10/1,523,042.55 = 661,359.30/x
  3. Step 3: Cross multiply
    1,016,528.10x = 1,523,042.55 × 661,359.30
  4. Step 4: Simplify right side
    1,016,528.10x = 1,007,278,354,738.22
  5. Step 5: Solve for x
    x = 1,007,278,354,738.22/1,016,528.10
  6. Step 6: Final answer
    x = 990,900.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.