Home / 2,079,348.30-3,119,265.45-659,547.90

Finding the Fourth Proportional to 2,079,348.30, 3,119,265.45 and 659,547.90

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Solution

The fourth proportional to 2,079,348.30, 3,119,265.45 and 659,547.90 is: 989,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,348.30 : 3,119,265.45 = 659,547.90 : x
  2. Step 2: Convert to fraction form
    2,079,348.30/3,119,265.45 = 659,547.90/x
  3. Step 3: Cross multiply
    2,079,348.30x = 3,119,265.45 × 659,547.90
  4. Step 4: Simplify right side
    2,079,348.30x = 2,057,304,977,090.06
  5. Step 5: Solve for x
    x = 2,057,304,977,090.06/2,079,348.30
  6. Step 6: Final answer
    x = 989,398.93

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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.